Home / 72,282.30-108,277.65-50,120.70

Finding the Fourth Proportional to 72,282.30, 108,277.65 and 50,120.70

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Solution

The fourth proportional to 72,282.30, 108,277.65 and 50,120.70 is: 75,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,282.30 : 108,277.65 = 50,120.70 : x
  2. Step 2: Convert to fraction form
    72,282.30/108,277.65 = 50,120.70/x
  3. Step 3: Cross multiply
    72,282.30x = 108,277.65 × 50,120.70
  4. Step 4: Simplify right side
    72,282.30x = 5,426,951,612.36
  5. Step 5: Solve for x
    x = 5,426,951,612.36/72,282.30
  6. Step 6: Final answer
    x = 75,079.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.