Home / 89,349.28-123,314.91-53,542.62

Finding the Fourth Proportional to 89,349.28, 123,314.91 and 53,542.62

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Solution

The fourth proportional to 89,349.28, 123,314.91 and 53,542.62 is: 73,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,349.28 : 123,314.91 = 53,542.62 : x
  2. Step 2: Convert to fraction form
    89,349.28/123,314.91 = 53,542.62/x
  3. Step 3: Cross multiply
    89,349.28x = 123,314.91 × 53,542.62
  4. Step 4: Simplify right side
    89,349.28x = 6,602,603,165.68
  5. Step 5: Solve for x
    x = 6,602,603,165.68/89,349.28
  6. Step 6: Final answer
    x = 73,896.55

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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.