Home / 71,306.61-98,403.89-39,476.04

Finding the Fourth Proportional to 71,306.61, 98,403.89 and 39,476.04

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Solution

The fourth proportional to 71,306.61, 98,403.89 and 39,476.04 is: 54,477.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,306.61 : 98,403.89 = 39,476.04 : x
  2. Step 2: Convert to fraction form
    71,306.61/98,403.89 = 39,476.04/x
  3. Step 3: Cross multiply
    71,306.61x = 98,403.89 × 39,476.04
  4. Step 4: Simplify right side
    71,306.61x = 3,884,595,897.80
  5. Step 5: Solve for x
    x = 3,884,595,897.80/71,306.61
  6. Step 6: Final answer
    x = 54,477.36

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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.