Home / 91,867.10-126,744.89-51,575.27

Finding the Fourth Proportional to 91,867.10, 126,744.89 and 51,575.27

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Solution

The fourth proportional to 91,867.10, 126,744.89 and 51,575.27 is: 71,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,867.10 : 126,744.89 = 51,575.27 : x
  2. Step 2: Convert to fraction form
    91,867.10/126,744.89 = 51,575.27/x
  3. Step 3: Cross multiply
    91,867.10x = 126,744.89 × 51,575.27
  4. Step 4: Simplify right side
    91,867.10x = 6,536,901,031.27
  5. Step 5: Solve for x
    x = 6,536,901,031.27/91,867.10
  6. Step 6: Final answer
    x = 71,156.07

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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.