Home / 91,474.92-126,220.17-53,756.46

Finding the Fourth Proportional to 91,474.92, 126,220.17 and 53,756.46

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Solution

The fourth proportional to 91,474.92, 126,220.17 and 53,756.46 is: 74,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,474.92 : 126,220.17 = 53,756.46 : x
  2. Step 2: Convert to fraction form
    91,474.92/126,220.17 = 53,756.46/x
  3. Step 3: Cross multiply
    91,474.92x = 126,220.17 × 53,756.46
  4. Step 4: Simplify right side
    91,474.92x = 6,785,149,519.80
  5. Step 5: Solve for x
    x = 6,785,149,519.80/91,474.92
  6. Step 6: Final answer
    x = 74,174.97

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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.