Home / 83,787.60-115,628.84-45,549.32

Finding the Fourth Proportional to 83,787.60, 115,628.84 and 45,549.32

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Solution

The fourth proportional to 83,787.60, 115,628.84 and 45,549.32 is: 62,859.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,787.60 : 115,628.84 = 45,549.32 : x
  2. Step 2: Convert to fraction form
    83,787.60/115,628.84 = 45,549.32/x
  3. Step 3: Cross multiply
    83,787.60x = 115,628.84 × 45,549.32
  4. Step 4: Simplify right side
    83,787.60x = 5,266,815,034.39
  5. Step 5: Solve for x
    x = 5,266,815,034.39/83,787.60
  6. Step 6: Final answer
    x = 62,859.12

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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.