Home / 47,112.78-65,015.16-25,602.30

Finding the Fourth Proportional to 47,112.78, 65,015.16 and 25,602.30

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Solution

The fourth proportional to 47,112.78, 65,015.16 and 25,602.30 is: 35,330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,112.78 : 65,015.16 = 25,602.30 : x
  2. Step 2: Convert to fraction form
    47,112.78/65,015.16 = 25,602.30/x
  3. Step 3: Cross multiply
    47,112.78x = 65,015.16 × 25,602.30
  4. Step 4: Simplify right side
    47,112.78x = 1,664,537,630.87
  5. Step 5: Solve for x
    x = 1,664,537,630.87/47,112.78
  6. Step 6: Final answer
    x = 35,330.92

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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.