Home / 71,425.97-98,561.21-39,592.16

Finding the Fourth Proportional to 71,425.97, 98,561.21 and 39,592.16

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Solution

The fourth proportional to 71,425.97, 98,561.21 and 39,592.16 is: 54,633.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,425.97 : 98,561.21 = 39,592.16 : x
  2. Step 2: Convert to fraction form
    71,425.97/98,561.21 = 39,592.16/x
  3. Step 3: Cross multiply
    71,425.97x = 98,561.21 × 39,592.16
  4. Step 4: Simplify right side
    71,425.97x = 3,902,251,196.11
  5. Step 5: Solve for x
    x = 3,902,251,196.11/71,425.97
  6. Step 6: Final answer
    x = 54,633.51

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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.