Home / 89,505.74-123,508.34-51,772.94

Finding the Fourth Proportional to 89,505.74, 123,508.34 and 51,772.94

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Solution

The fourth proportional to 89,505.74, 123,508.34 and 51,772.94 is: 71,441.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,505.74 : 123,508.34 = 51,772.94 : x
  2. Step 2: Convert to fraction form
    89,505.74/123,508.34 = 51,772.94/x
  3. Step 3: Cross multiply
    89,505.74x = 123,508.34 × 51,772.94
  4. Step 4: Simplify right side
    89,505.74x = 6,394,389,876.32
  5. Step 5: Solve for x
    x = 6,394,389,876.32/89,505.74
  6. Step 6: Final answer
    x = 71,441.12

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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.