Home / 90,670.16-125,122.38-50,382.92

Finding the Fourth Proportional to 90,670.16, 125,122.38 and 50,382.92

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Solution

The fourth proportional to 90,670.16, 125,122.38 and 50,382.92 is: 69,527.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,670.16 : 125,122.38 = 50,382.92 : x
  2. Step 2: Convert to fraction form
    90,670.16/125,122.38 = 50,382.92/x
  3. Step 3: Cross multiply
    90,670.16x = 125,122.38 × 50,382.92
  4. Step 4: Simplify right side
    90,670.16x = 6,304,030,861.75
  5. Step 5: Solve for x
    x = 6,304,030,861.75/90,670.16
  6. Step 6: Final answer
    x = 69,527.07

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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.