Home / 71,785.73-99,047.36-60,344.12

Finding the Fourth Proportional to 71,785.73, 99,047.36 and 60,344.12

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Solution

The fourth proportional to 71,785.73, 99,047.36 and 60,344.12 is: 83,260.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,785.73 : 99,047.36 = 60,344.12 : x
  2. Step 2: Convert to fraction form
    71,785.73/99,047.36 = 60,344.12/x
  3. Step 3: Cross multiply
    71,785.73x = 99,047.36 × 60,344.12
  4. Step 4: Simplify right side
    71,785.73x = 5,976,926,176.00
  5. Step 5: Solve for x
    x = 5,976,926,176.00/71,785.73
  6. Step 6: Final answer
    x = 83,260.65

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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.