Home / 66,434.23-99,538.57-40,083.61

Finding the Fourth Proportional to 66,434.23, 99,538.57 and 40,083.61

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Solution

The fourth proportional to 66,434.23, 99,538.57 and 40,083.61 is: 60,057.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434.23 : 99,538.57 = 40,083.61 : x
  2. Step 2: Convert to fraction form
    66,434.23/99,538.57 = 40,083.61/x
  3. Step 3: Cross multiply
    66,434.23x = 99,538.57 × 40,083.61
  4. Step 4: Simplify right side
    66,434.23x = 3,989,865,207.73
  5. Step 5: Solve for x
    x = 3,989,865,207.73/66,434.23
  6. Step 6: Final answer
    x = 60,057.38

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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.