Home / 83,439.66-115,257.15-62,182.02

Finding the Fourth Proportional to 83,439.66, 115,257.15 and 62,182.02

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Solution

The fourth proportional to 83,439.66, 115,257.15 and 62,182.02 is: 85,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,439.66 : 115,257.15 = 62,182.02 : x
  2. Step 2: Convert to fraction form
    83,439.66/115,257.15 = 62,182.02/x
  3. Step 3: Cross multiply
    83,439.66x = 115,257.15 × 62,182.02
  4. Step 4: Simplify right side
    83,439.66x = 7,166,922,406.44
  5. Step 5: Solve for x
    x = 7,166,922,406.44/83,439.66
  6. Step 6: Final answer
    x = 85,893.48

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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.