Home / 83,437.66-115,254.39-62,180.02

Finding the Fourth Proportional to 83,437.66, 115,254.39 and 62,180.02

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Solution

The fourth proportional to 83,437.66, 115,254.39 and 62,180.02 is: 85,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,437.66 : 115,254.39 = 62,180.02 : x
  2. Step 2: Convert to fraction form
    83,437.66/115,254.39 = 62,180.02/x
  3. Step 3: Cross multiply
    83,437.66x = 115,254.39 × 62,180.02
  4. Step 4: Simplify right side
    83,437.66x = 7,166,520,275.29
  5. Step 5: Solve for x
    x = 7,166,520,275.29/83,437.66
  6. Step 6: Final answer
    x = 85,890.71

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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.