Home / 91,433.88-126,204.11-53,200.82

Finding the Fourth Proportional to 91,433.88, 126,204.11 and 53,200.82

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Solution

The fourth proportional to 91,433.88, 126,204.11 and 53,200.82 is: 73,431.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,433.88 : 126,204.11 = 53,200.82 : x
  2. Step 2: Convert to fraction form
    91,433.88/126,204.11 = 53,200.82/x
  3. Step 3: Cross multiply
    91,433.88x = 126,204.11 × 53,200.82
  4. Step 4: Simplify right side
    91,433.88x = 6,714,161,641.35
  5. Step 5: Solve for x
    x = 6,714,161,641.35/91,433.88
  6. Step 6: Final answer
    x = 73,431.88

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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.