Home / 47,201.33-65,138.28-25,980.75

Finding the Fourth Proportional to 47,201.33, 65,138.28 and 25,980.75

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Solution

The fourth proportional to 47,201.33, 65,138.28 and 25,980.75 is: 35,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,201.33 : 65,138.28 = 25,980.75 : x
  2. Step 2: Convert to fraction form
    47,201.33/65,138.28 = 25,980.75/x
  3. Step 3: Cross multiply
    47,201.33x = 65,138.28 × 25,980.75
  4. Step 4: Simplify right side
    47,201.33x = 1,692,341,270.68
  5. Step 5: Solve for x
    x = 1,692,341,270.68/47,201.33
  6. Step 6: Final answer
    x = 35,853.68

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.