Home / 90,529.28-124,931.78-50,245.65

Finding the Fourth Proportional to 90,529.28, 124,931.78 and 50,245.65

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Solution

The fourth proportional to 90,529.28, 124,931.78 and 50,245.65 is: 69,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,529.28 : 124,931.78 = 50,245.65 : x
  2. Step 2: Convert to fraction form
    90,529.28/124,931.78 = 50,245.65/x
  3. Step 3: Cross multiply
    90,529.28x = 124,931.78 × 50,245.65
  4. Step 4: Simplify right side
    90,529.28x = 6,277,278,491.76
  5. Step 5: Solve for x
    x = 6,277,278,491.76/90,529.28
  6. Step 6: Final answer
    x = 69,339.76

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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.