Home / 89,567.24-123,551.45-55,974.92

Finding the Fourth Proportional to 89,567.24, 123,551.45 and 55,974.92

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Solution

The fourth proportional to 89,567.24, 123,551.45 and 55,974.92 is: 77,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,567.24 : 123,551.45 = 55,974.92 : x
  2. Step 2: Convert to fraction form
    89,567.24/123,551.45 = 55,974.92/x
  3. Step 3: Cross multiply
    89,567.24x = 123,551.45 × 55,974.92
  4. Step 4: Simplify right side
    89,567.24x = 6,915,781,632.00
  5. Step 5: Solve for x
    x = 6,915,781,632.00/89,567.24
  6. Step 6: Final answer
    x = 77,213.30

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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.