Home / 66,545.12-99,819.18-22,175.43

Finding the Fourth Proportional to 66,545.12, 99,819.18 and 22,175.43

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Solution

The fourth proportional to 66,545.12, 99,819.18 and 22,175.43 is: 33,263.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,545.12 : 99,819.18 = 22,175.43 : x
  2. Step 2: Convert to fraction form
    66,545.12/99,819.18 = 22,175.43/x
  3. Step 3: Cross multiply
    66,545.12x = 99,819.18 × 22,175.43
  4. Step 4: Simplify right side
    66,545.12x = 2,213,533,238.75
  5. Step 5: Solve for x
    x = 2,213,533,238.75/66,545.12
  6. Step 6: Final answer
    x = 33,263.65

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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.