Home / 91,318.39-126,058.17-55,519.83

Finding the Fourth Proportional to 91,318.39, 126,058.17 and 55,519.83

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Solution

The fourth proportional to 91,318.39, 126,058.17 and 55,519.83 is: 76,640.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,318.39 : 126,058.17 = 55,519.83 : x
  2. Step 2: Convert to fraction form
    91,318.39/126,058.17 = 55,519.83/x
  3. Step 3: Cross multiply
    91,318.39x = 126,058.17 × 55,519.83
  4. Step 4: Simplify right side
    91,318.39x = 6,998,728,376.71
  5. Step 5: Solve for x
    x = 6,998,728,376.71/91,318.39
  6. Step 6: Final answer
    x = 76,640.95

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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.