Home / 91,997.41-126,966.96-51,165.61

Finding the Fourth Proportional to 91,997.41, 126,966.96 and 51,165.61

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Solution

The fourth proportional to 91,997.41, 126,966.96 and 51,165.61 is: 70,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,997.41 : 126,966.96 = 51,165.61 : x
  2. Step 2: Convert to fraction form
    91,997.41/126,966.96 = 51,165.61/x
  3. Step 3: Cross multiply
    91,997.41x = 126,966.96 × 51,165.61
  4. Step 4: Simplify right side
    91,997.41x = 6,496,341,958.25
  5. Step 5: Solve for x
    x = 6,496,341,958.25/91,997.41
  6. Step 6: Final answer
    x = 70,614.40

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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.