Home / 47,112.65-65,015.85-25,602.39

Finding the Fourth Proportional to 47,112.65, 65,015.85 and 25,602.39

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Solution

The fourth proportional to 47,112.65, 65,015.85 and 25,602.39 is: 35,331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,112.65 : 65,015.85 = 25,602.39 : x
  2. Step 2: Convert to fraction form
    47,112.65/65,015.85 = 25,602.39/x
  3. Step 3: Cross multiply
    47,112.65x = 65,015.85 × 25,602.39
  4. Step 4: Simplify right side
    47,112.65x = 1,664,561,147.88
  5. Step 5: Solve for x
    x = 1,664,561,147.88/47,112.65
  6. Step 6: Final answer
    x = 35,331.52

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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.