Home / 66,124.38-99,175.62-21,751.68

Finding the Fourth Proportional to 66,124.38, 99,175.62 and 21,751.68

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Solution

The fourth proportional to 66,124.38, 99,175.62 and 21,751.68 is: 32,623.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,124.38 : 99,175.62 = 21,751.68 : x
  2. Step 2: Convert to fraction form
    66,124.38/99,175.62 = 21,751.68/x
  3. Step 3: Cross multiply
    66,124.38x = 99,175.62 × 21,751.68
  4. Step 4: Simplify right side
    66,124.38x = 2,157,236,350.04
  5. Step 5: Solve for x
    x = 2,157,236,350.04/66,124.38
  6. Step 6: Final answer
    x = 32,623.92

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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.