Home / 90,738.27-125,222.28-50,456.76

Finding the Fourth Proportional to 90,738.27, 125,222.28 and 50,456.76

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Solution

The fourth proportional to 90,738.27, 125,222.28 and 50,456.76 is: 69,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,738.27 : 125,222.28 = 50,456.76 : x
  2. Step 2: Convert to fraction form
    90,738.27/125,222.28 = 50,456.76/x
  3. Step 3: Cross multiply
    90,738.27x = 125,222.28 × 50,456.76
  4. Step 4: Simplify right side
    90,738.27x = 6,318,310,528.61
  5. Step 5: Solve for x
    x = 6,318,310,528.61/90,738.27
  6. Step 6: Final answer
    x = 69,632.26

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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.