Home / 81,458.93-112,468.25-50,878.73

Finding the Fourth Proportional to 81,458.93, 112,468.25 and 50,878.73

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Solution

The fourth proportional to 81,458.93, 112,468.25 and 50,878.73 is: 70,246.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,458.93 : 112,468.25 = 50,878.73 : x
  2. Step 2: Convert to fraction form
    81,458.93/112,468.25 = 50,878.73/x
  3. Step 3: Cross multiply
    81,458.93x = 112,468.25 × 50,878.73
  4. Step 4: Simplify right side
    81,458.93x = 5,722,241,470.93
  5. Step 5: Solve for x
    x = 5,722,241,470.93/81,458.93
  6. Step 6: Final answer
    x = 70,246.95

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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.