Home / 69,935.40-96,287.94-65,166.12

Finding the Fourth Proportional to 69,935.40, 96,287.94 and 65,166.12

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Solution

The fourth proportional to 69,935.40, 96,287.94 and 65,166.12 is: 89,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,935.40 : 96,287.94 = 65,166.12 : x
  2. Step 2: Convert to fraction form
    69,935.40/96,287.94 = 65,166.12/x
  3. Step 3: Cross multiply
    69,935.40x = 96,287.94 × 65,166.12
  4. Step 4: Simplify right side
    69,935.40x = 6,274,711,452.59
  5. Step 5: Solve for x
    x = 6,274,711,452.59/69,935.40
  6. Step 6: Final answer
    x = 89,721.54

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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.