Home / 124,624.35-186,997.52-77,226.75

Finding the Fourth Proportional to 124,624.35, 186,997.52 and 77,226.75

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Solution

The fourth proportional to 124,624.35, 186,997.52 and 77,226.75 is: 115,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,624.35 : 186,997.52 = 77,226.75 : x
  2. Step 2: Convert to fraction form
    124,624.35/186,997.52 = 77,226.75/x
  3. Step 3: Cross multiply
    124,624.35x = 186,997.52 × 77,226.75
  4. Step 4: Simplify right side
    124,624.35x = 14,441,210,920.73
  5. Step 5: Solve for x
    x = 14,441,210,920.73/124,624.35
  6. Step 6: Final answer
    x = 115,877.92

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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.