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Finding the Fourth Proportional to 66,493.76, 99,506.52 and 41,545.52

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Solution

The fourth proportional to 66,493.76, 99,506.52 and 41,545.52 is: 62,172.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,493.76 : 99,506.52 = 41,545.52 : x
  2. Step 2: Convert to fraction form
    66,493.76/99,506.52 = 41,545.52/x
  3. Step 3: Cross multiply
    66,493.76x = 99,506.52 × 41,545.52
  4. Step 4: Simplify right side
    66,493.76x = 4,134,050,116.79
  5. Step 5: Solve for x
    x = 4,134,050,116.79/66,493.76
  6. Step 6: Final answer
    x = 62,172.00

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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.