Home / 81,251.14-112,079.59-48,963.73

Finding the Fourth Proportional to 81,251.14, 112,079.59 and 48,963.73

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Solution

The fourth proportional to 81,251.14, 112,079.59 and 48,963.73 is: 67,541.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,251.14 : 112,079.59 = 48,963.73 : x
  2. Step 2: Convert to fraction form
    81,251.14/112,079.59 = 48,963.73/x
  3. Step 3: Cross multiply
    81,251.14x = 112,079.59 × 48,963.73
  4. Step 4: Simplify right side
    81,251.14x = 5,487,834,783.27
  5. Step 5: Solve for x
    x = 5,487,834,783.27/81,251.14
  6. Step 6: Final answer
    x = 67,541.63

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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.