Home / 66,390.20-99,584.96-38,292.04

Finding the Fourth Proportional to 66,390.20, 99,584.96 and 38,292.04

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Solution

The fourth proportional to 66,390.20, 99,584.96 and 38,292.04 is: 57,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,390.20 : 99,584.96 = 38,292.04 : x
  2. Step 2: Convert to fraction form
    66,390.20/99,584.96 = 38,292.04/x
  3. Step 3: Cross multiply
    66,390.20x = 99,584.96 × 38,292.04
  4. Step 4: Simplify right side
    66,390.20x = 3,813,311,204.74
  5. Step 5: Solve for x
    x = 3,813,311,204.74/66,390.20
  6. Step 6: Final answer
    x = 57,437.86

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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.