Home / 76,363.20-114,569.01-34,279.38

Finding the Fourth Proportional to 76,363.20, 114,569.01 and 34,279.38

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Solution

The fourth proportional to 76,363.20, 114,569.01 and 34,279.38 is: 51,429.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,363.20 : 114,569.01 = 34,279.38 : x
  2. Step 2: Convert to fraction form
    76,363.20/114,569.01 = 34,279.38/x
  3. Step 3: Cross multiply
    76,363.20x = 114,569.01 × 34,279.38
  4. Step 4: Simplify right side
    76,363.20x = 3,927,354,630.01
  5. Step 5: Solve for x
    x = 3,927,354,630.01/76,363.20
  6. Step 6: Final answer
    x = 51,429.94

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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.