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Finding the Fourth Proportional to 65,588.04, 98,382 and 28,123.92

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Solution

The fourth proportional to 65,588.04, 98,382 and 28,123.92 is: 42,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,588.04 : 98,382 = 28,123.92 : x
  2. Step 2: Convert to fraction form
    65,588.04/98,382 = 28,123.92/x
  3. Step 3: Cross multiply
    65,588.04x = 98,382 × 28,123.92
  4. Step 4: Simplify right side
    65,588.04x = 2,766,887,497.44
  5. Step 5: Solve for x
    x = 2,766,887,497.44/65,588.04
  6. Step 6: Final answer
    x = 42,185.85

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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.