Home / 71,185.47-98,227.31-39,349.95

Finding the Fourth Proportional to 71,185.47, 98,227.31 and 39,349.95

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Solution

The fourth proportional to 71,185.47, 98,227.31 and 39,349.95 is: 54,298.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,185.47 : 98,227.31 = 39,349.95 : x
  2. Step 2: Convert to fraction form
    71,185.47/98,227.31 = 39,349.95/x
  3. Step 3: Cross multiply
    71,185.47x = 98,227.31 × 39,349.95
  4. Step 4: Simplify right side
    71,185.47x = 3,865,239,737.13
  5. Step 5: Solve for x
    x = 3,865,239,737.13/71,185.47
  6. Step 6: Final answer
    x = 54,298.16

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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.