Home / 80,458.02-111,015.90-48,628.71

Finding the Fourth Proportional to 80,458.02, 111,015.90 and 48,628.71

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Solution

The fourth proportional to 80,458.02, 111,015.90 and 48,628.71 is: 67,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,458.02 : 111,015.90 = 48,628.71 : x
  2. Step 2: Convert to fraction form
    80,458.02/111,015.90 = 48,628.71/x
  3. Step 3: Cross multiply
    80,458.02x = 111,015.90 × 48,628.71
  4. Step 4: Simplify right side
    80,458.02x = 5,398,560,006.49
  5. Step 5: Solve for x
    x = 5,398,560,006.49/80,458.02
  6. Step 6: Final answer
    x = 67,097.85

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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.