Home / 91,715.16-126,589.42-55,924.88

Finding the Fourth Proportional to 91,715.16, 126,589.42 and 55,924.88

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Solution

The fourth proportional to 91,715.16, 126,589.42 and 55,924.88 is: 77,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,715.16 : 126,589.42 = 55,924.88 : x
  2. Step 2: Convert to fraction form
    91,715.16/126,589.42 = 55,924.88/x
  3. Step 3: Cross multiply
    91,715.16x = 126,589.42 × 55,924.88
  4. Step 4: Simplify right side
    91,715.16x = 7,079,498,122.77
  5. Step 5: Solve for x
    x = 7,079,498,122.77/91,715.16
  6. Step 6: Final answer
    x = 77,190.05

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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.