Home / 91,825.16-126,698.10-54,102.92

Finding the Fourth Proportional to 91,825.16, 126,698.10 and 54,102.92

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Solution

The fourth proportional to 91,825.16, 126,698.10 and 54,102.92 is: 74,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,825.16 : 126,698.10 = 54,102.92 : x
  2. Step 2: Convert to fraction form
    91,825.16/126,698.10 = 54,102.92/x
  3. Step 3: Cross multiply
    91,825.16x = 126,698.10 × 54,102.92
  4. Step 4: Simplify right side
    91,825.16x = 6,854,737,168.45
  5. Step 5: Solve for x
    x = 6,854,737,168.45/91,825.16
  6. Step 6: Final answer
    x = 74,649.88

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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.