Home / 89,952.12-124,134.10-49,665.96

Finding the Fourth Proportional to 89,952.12, 124,134.10 and 49,665.96

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Solution

The fourth proportional to 89,952.12, 124,134.10 and 49,665.96 is: 68,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,952.12 : 124,134.10 = 49,665.96 : x
  2. Step 2: Convert to fraction form
    89,952.12/124,134.10 = 49,665.96/x
  3. Step 3: Cross multiply
    89,952.12x = 124,134.10 × 49,665.96
  4. Step 4: Simplify right side
    89,952.12x = 6,165,238,624.57
  5. Step 5: Solve for x
    x = 6,165,238,624.57/89,952.12
  6. Step 6: Final answer
    x = 68,539.12

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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.