Home / 66,400.10-99,524.82-41,451.29

Finding the Fourth Proportional to 66,400.10, 99,524.82 and 41,451.29

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Solution

The fourth proportional to 66,400.10, 99,524.82 and 41,451.29 is: 62,129.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,400.10 : 99,524.82 = 41,451.29 : x
  2. Step 2: Convert to fraction form
    66,400.10/99,524.82 = 41,451.29/x
  3. Step 3: Cross multiply
    66,400.10x = 99,524.82 × 41,451.29
  4. Step 4: Simplify right side
    66,400.10x = 4,125,432,176.02
  5. Step 5: Solve for x
    x = 4,125,432,176.02/66,400.10
  6. Step 6: Final answer
    x = 62,129.91

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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.