Home / 124,947.52-172,532.64-89,247.04

Finding the Fourth Proportional to 124,947.52, 172,532.64 and 89,247.04

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Solution

The fourth proportional to 124,947.52, 172,532.64 and 89,247.04 is: 123,235.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,947.52 : 172,532.64 = 89,247.04 : x
  2. Step 2: Convert to fraction form
    124,947.52/172,532.64 = 89,247.04/x
  3. Step 3: Cross multiply
    124,947.52x = 172,532.64 × 89,247.04
  4. Step 4: Simplify right side
    124,947.52x = 15,398,027,423.39
  5. Step 5: Solve for x
    x = 15,398,027,423.39/124,947.52
  6. Step 6: Final answer
    x = 123,235.96

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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.