Home / 83,439.16-115,256.46-62,181.52

Finding the Fourth Proportional to 83,439.16, 115,256.46 and 62,181.52

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Solution

The fourth proportional to 83,439.16, 115,256.46 and 62,181.52 is: 85,892.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,439.16 : 115,256.46 = 62,181.52 : x
  2. Step 2: Convert to fraction form
    83,439.16/115,256.46 = 62,181.52/x
  3. Step 3: Cross multiply
    83,439.16x = 115,256.46 × 62,181.52
  4. Step 4: Simplify right side
    83,439.16x = 7,166,821,872.62
  5. Step 5: Solve for x
    x = 7,166,821,872.62/83,439.16
  6. Step 6: Final answer
    x = 85,892.79

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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.