Home / 91,639.55-126,438.62-52,867.95

Finding the Fourth Proportional to 91,639.55, 126,438.62 and 52,867.95

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Solution

The fourth proportional to 91,639.55, 126,438.62 and 52,867.95 is: 72,943.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,639.55 : 126,438.62 = 52,867.95 : x
  2. Step 2: Convert to fraction form
    91,639.55/126,438.62 = 52,867.95/x
  3. Step 3: Cross multiply
    91,639.55x = 126,438.62 × 52,867.95
  4. Step 4: Simplify right side
    91,639.55x = 6,684,550,375.89
  5. Step 5: Solve for x
    x = 6,684,550,375.89/91,639.55
  6. Step 6: Final answer
    x = 72,943.95

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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.