Home / 83,983.52-115,903.76-48,185.12

Finding the Fourth Proportional to 83,983.52, 115,903.76 and 48,185.12

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Solution

The fourth proportional to 83,983.52, 115,903.76 and 48,185.12 is: 66,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,983.52 : 115,903.76 = 48,185.12 : x
  2. Step 2: Convert to fraction form
    83,983.52/115,903.76 = 48,185.12/x
  3. Step 3: Cross multiply
    83,983.52x = 115,903.76 × 48,185.12
  4. Step 4: Simplify right side
    83,983.52x = 5,584,836,584.05
  5. Step 5: Solve for x
    x = 5,584,836,584.05/83,983.52
  6. Step 6: Final answer
    x = 66,499.20

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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.