Home / 89,882.55-124,037.96-51,644.61

Finding the Fourth Proportional to 89,882.55, 124,037.96 and 51,644.61

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Solution

The fourth proportional to 89,882.55, 124,037.96 and 51,644.61 is: 71,269.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,882.55 : 124,037.96 = 51,644.61 : x
  2. Step 2: Convert to fraction form
    89,882.55/124,037.96 = 51,644.61/x
  3. Step 3: Cross multiply
    89,882.55x = 124,037.96 × 51,644.61
  4. Step 4: Simplify right side
    89,882.55x = 6,405,891,811.17
  5. Step 5: Solve for x
    x = 6,405,891,811.17/89,882.55
  6. Step 6: Final answer
    x = 71,269.58

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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.