Home / 82,467.26-113,753.67-72,387.74

Finding the Fourth Proportional to 82,467.26, 113,753.67 and 72,387.74

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Solution

The fourth proportional to 82,467.26, 113,753.67 and 72,387.74 is: 99,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,467.26 : 113,753.67 = 72,387.74 : x
  2. Step 2: Convert to fraction form
    82,467.26/113,753.67 = 72,387.74/x
  3. Step 3: Cross multiply
    82,467.26x = 113,753.67 × 72,387.74
  4. Step 4: Simplify right side
    82,467.26x = 8,234,371,088.01
  5. Step 5: Solve for x
    x = 8,234,371,088.01/82,467.26
  6. Step 6: Final answer
    x = 99,850.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.