Home / 89,440.16-123,429.75-49,154.97

Finding the Fourth Proportional to 89,440.16, 123,429.75 and 49,154.97

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Solution

The fourth proportional to 89,440.16, 123,429.75 and 49,154.97 is: 67,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,440.16 : 123,429.75 = 49,154.97 : x
  2. Step 2: Convert to fraction form
    89,440.16/123,429.75 = 49,154.97/x
  3. Step 3: Cross multiply
    89,440.16x = 123,429.75 × 49,154.97
  4. Step 4: Simplify right side
    89,440.16x = 6,067,186,382.54
  5. Step 5: Solve for x
    x = 6,067,186,382.54/89,440.16
  6. Step 6: Final answer
    x = 67,835.15

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1.5x scale

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.