Home / 90,529.29-124,931.78-50,245.66

Finding the Fourth Proportional to 90,529.29, 124,931.78 and 50,245.66

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Solution

The fourth proportional to 90,529.29, 124,931.78 and 50,245.66 is: 69,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,529.29 : 124,931.78 = 50,245.66 : x
  2. Step 2: Convert to fraction form
    90,529.29/124,931.78 = 50,245.66/x
  3. Step 3: Cross multiply
    90,529.29x = 124,931.78 × 50,245.66
  4. Step 4: Simplify right side
    90,529.29x = 6,277,279,116.42
  5. Step 5: Solve for x
    x = 6,277,279,116.42/90,529.29
  6. Step 6: Final answer
    x = 69,339.76

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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.