Home / 81,177.41-112,073.27-50,988.57

Finding the Fourth Proportional to 81,177.41, 112,073.27 and 50,988.57

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Solution

The fourth proportional to 81,177.41, 112,073.27 and 50,988.57 is: 70,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,177.41 : 112,073.27 = 50,988.57 : x
  2. Step 2: Convert to fraction form
    81,177.41/112,073.27 = 50,988.57/x
  3. Step 3: Cross multiply
    81,177.41x = 112,073.27 × 50,988.57
  4. Step 4: Simplify right side
    81,177.41x = 5,714,455,517.58
  5. Step 5: Solve for x
    x = 5,714,455,517.58/81,177.41
  6. Step 6: Final answer
    x = 70,394.66

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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.