Home / 84,718.52-127,098.29-25,550.61

Finding the Fourth Proportional to 84,718.52, 127,098.29 and 25,550.61

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Solution

The fourth proportional to 84,718.52, 127,098.29 and 25,550.61 is: 38,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,718.52 : 127,098.29 = 25,550.61 : x
  2. Step 2: Convert to fraction form
    84,718.52/127,098.29 = 25,550.61/x
  3. Step 3: Cross multiply
    84,718.52x = 127,098.29 × 25,550.61
  4. Step 4: Simplify right side
    84,718.52x = 3,247,438,839.46
  5. Step 5: Solve for x
    x = 3,247,438,839.46/84,718.52
  6. Step 6: Final answer
    x = 38,332.10

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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.