Home / 91,854.11-126,757.55-51,566.82

Finding the Fourth Proportional to 91,854.11, 126,757.55 and 51,566.82

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Solution

The fourth proportional to 91,854.11, 126,757.55 and 51,566.82 is: 71,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,854.11 : 126,757.55 = 51,566.82 : x
  2. Step 2: Convert to fraction form
    91,854.11/126,757.55 = 51,566.82/x
  3. Step 3: Cross multiply
    91,854.11x = 126,757.55 × 51,566.82
  4. Step 4: Simplify right side
    91,854.11x = 6,536,483,506.66
  5. Step 5: Solve for x
    x = 6,536,483,506.66/91,854.11
  6. Step 6: Final answer
    x = 71,161.58

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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.