Home / 89,488.97-123,478.71-50,726.92

Finding the Fourth Proportional to 89,488.97, 123,478.71 and 50,726.92

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Solution

The fourth proportional to 89,488.97, 123,478.71 and 50,726.92 is: 69,994.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,488.97 : 123,478.71 = 50,726.92 : x
  2. Step 2: Convert to fraction form
    89,488.97/123,478.71 = 50,726.92/x
  3. Step 3: Cross multiply
    89,488.97x = 123,478.71 × 50,726.92
  4. Step 4: Simplify right side
    89,488.97x = 6,263,694,643.87
  5. Step 5: Solve for x
    x = 6,263,694,643.87/89,488.97
  6. Step 6: Final answer
    x = 69,994.04

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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.