Home / 83,918.08-115,793.40-48,101.50

Finding the Fourth Proportional to 83,918.08, 115,793.40 and 48,101.50

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Solution

The fourth proportional to 83,918.08, 115,793.40 and 48,101.50 is: 66,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,918.08 : 115,793.40 = 48,101.50 : x
  2. Step 2: Convert to fraction form
    83,918.08/115,793.40 = 48,101.50/x
  3. Step 3: Cross multiply
    83,918.08x = 115,793.40 × 48,101.50
  4. Step 4: Simplify right side
    83,918.08x = 5,569,836,230.10
  5. Step 5: Solve for x
    x = 5,569,836,230.10/83,918.08
  6. Step 6: Final answer
    x = 66,372.30

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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.