Home / 91,641.55-126,441.37-52,869.95

Finding the Fourth Proportional to 91,641.55, 126,441.37 and 52,869.95

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Solution

The fourth proportional to 91,641.55, 126,441.37 and 52,869.95 is: 72,946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,641.55 : 126,441.37 = 52,869.95 : x
  2. Step 2: Convert to fraction form
    91,641.55/126,441.37 = 52,869.95/x
  3. Step 3: Cross multiply
    91,641.55x = 126,441.37 × 52,869.95
  4. Step 4: Simplify right side
    91,641.55x = 6,684,948,909.83
  5. Step 5: Solve for x
    x = 6,684,948,909.83/91,641.55
  6. Step 6: Final answer
    x = 72,946.70

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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.