Home / 91,221.57-125,898.39-50,937.95

Finding the Fourth Proportional to 91,221.57, 125,898.39 and 50,937.95

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Solution

The fourth proportional to 91,221.57, 125,898.39 and 50,937.95 is: 70,301.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,221.57 : 125,898.39 = 50,937.95 : x
  2. Step 2: Convert to fraction form
    91,221.57/125,898.39 = 50,937.95/x
  3. Step 3: Cross multiply
    91,221.57x = 125,898.39 × 50,937.95
  4. Step 4: Simplify right side
    91,221.57x = 6,413,005,265.41
  5. Step 5: Solve for x
    x = 6,413,005,265.41/91,221.57
  6. Step 6: Final answer
    x = 70,301.41

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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.