Home / 66,233.60-99,350.40-60,207.20

Finding the Fourth Proportional to 66,233.60, 99,350.40 and 60,207.20

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Solution

The fourth proportional to 66,233.60, 99,350.40 and 60,207.20 is: 90,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,233.60 : 99,350.40 = 60,207.20 : x
  2. Step 2: Convert to fraction form
    66,233.60/99,350.40 = 60,207.20/x
  3. Step 3: Cross multiply
    66,233.60x = 99,350.40 × 60,207.20
  4. Step 4: Simplify right side
    66,233.60x = 5,981,609,402.88
  5. Step 5: Solve for x
    x = 5,981,609,402.88/66,233.60
  6. Step 6: Final answer
    x = 90,310.80

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1.5x scale

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.