Home / 69,140.30-103,710.45-22,397.90

Finding the Fourth Proportional to 69,140.30, 103,710.45 and 22,397.90

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Solution

The fourth proportional to 69,140.30, 103,710.45 and 22,397.90 is: 33,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,140.30 : 103,710.45 = 22,397.90 : x
  2. Step 2: Convert to fraction form
    69,140.30/103,710.45 = 22,397.90/x
  3. Step 3: Cross multiply
    69,140.30x = 103,710.45 × 22,397.90
  4. Step 4: Simplify right side
    69,140.30x = 2,322,896,288.06
  5. Step 5: Solve for x
    x = 2,322,896,288.06/69,140.30
  6. Step 6: Final answer
    x = 33,596.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.