Home / 89,535.74-123,553.23-51,815.66

Finding the Fourth Proportional to 89,535.74, 123,553.23 and 51,815.66

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Solution

The fourth proportional to 89,535.74, 123,553.23 and 51,815.66 is: 71,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,535.74 : 123,553.23 = 51,815.66 : x
  2. Step 2: Convert to fraction form
    89,535.74/123,553.23 = 51,815.66/x
  3. Step 3: Cross multiply
    89,535.74x = 123,553.23 × 51,815.66
  4. Step 4: Simplify right side
    89,535.74x = 6,401,992,157.58
  5. Step 5: Solve for x
    x = 6,401,992,157.58/89,535.74
  6. Step 6: Final answer
    x = 71,502.09

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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.