Home / 91,749.52-126,604.20-51,454.98

Finding the Fourth Proportional to 91,749.52, 126,604.20 and 51,454.98

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Solution

The fourth proportional to 91,749.52, 126,604.20 and 51,454.98 is: 71,002.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,749.52 : 126,604.20 = 51,454.98 : x
  2. Step 2: Convert to fraction form
    91,749.52/126,604.20 = 51,454.98/x
  3. Step 3: Cross multiply
    91,749.52x = 126,604.20 × 51,454.98
  4. Step 4: Simplify right side
    91,749.52x = 6,514,416,578.92
  5. Step 5: Solve for x
    x = 6,514,416,578.92/91,749.52
  6. Step 6: Final answer
    x = 71,002.19

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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.