Home / 82,748.70-124,153.11-40,624.29

Finding the Fourth Proportional to 82,748.70, 124,153.11 and 40,624.29

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Solution

The fourth proportional to 82,748.70, 124,153.11 and 40,624.29 is: 60,951.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,748.70 : 124,153.11 = 40,624.29 : x
  2. Step 2: Convert to fraction form
    82,748.70/124,153.11 = 40,624.29/x
  3. Step 3: Cross multiply
    82,748.70x = 124,153.11 × 40,624.29
  4. Step 4: Simplify right side
    82,748.70x = 5,043,631,945.04
  5. Step 5: Solve for x
    x = 5,043,631,945.04/82,748.70
  6. Step 6: Final answer
    x = 60,951.19

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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.