Home / 71,362.13-98,386.38-61,397.61

Finding the Fourth Proportional to 71,362.13, 98,386.38 and 61,397.61

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Solution

The fourth proportional to 71,362.13, 98,386.38 and 61,397.61 is: 84,648.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,362.13 : 98,386.38 = 61,397.61 : x
  2. Step 2: Convert to fraction form
    71,362.13/98,386.38 = 61,397.61/x
  3. Step 3: Cross multiply
    71,362.13x = 98,386.38 × 61,397.61
  4. Step 4: Simplify right side
    71,362.13x = 6,040,688,588.55
  5. Step 5: Solve for x
    x = 6,040,688,588.55/71,362.13
  6. Step 6: Final answer
    x = 84,648.38

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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.