Home / 83,436.66-115,253.01-62,179.02

Finding the Fourth Proportional to 83,436.66, 115,253.01 and 62,179.02

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Solution

The fourth proportional to 83,436.66, 115,253.01 and 62,179.02 is: 85,889.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,436.66 : 115,253.01 = 62,179.02 : x
  2. Step 2: Convert to fraction form
    83,436.66/115,253.01 = 62,179.02/x
  3. Step 3: Cross multiply
    83,436.66x = 115,253.01 × 62,179.02
  4. Step 4: Simplify right side
    83,436.66x = 7,166,319,213.85
  5. Step 5: Solve for x
    x = 7,166,319,213.85/83,436.66
  6. Step 6: Final answer
    x = 85,889.33

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1.5x scale

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.