Home / 99,591.89-149,387.28-57,444.65

Finding the Fourth Proportional to 99,591.89, 149,387.28 and 57,444.65

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Solution

The fourth proportional to 99,591.89, 149,387.28 and 57,444.65 is: 86,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,591.89 : 149,387.28 = 57,444.65 : x
  2. Step 2: Convert to fraction form
    99,591.89/149,387.28 = 57,444.65/x
  3. Step 3: Cross multiply
    99,591.89x = 149,387.28 × 57,444.65
  4. Step 4: Simplify right side
    99,591.89x = 8,581,499,267.12
  5. Step 5: Solve for x
    x = 8,581,499,267.12/99,591.89
  6. Step 6: Final answer
    x = 86,166.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.