Home / 87,584.04-120,866.10-51,791.76

Finding the Fourth Proportional to 87,584.04, 120,866.10 and 51,791.76

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Solution

The fourth proportional to 87,584.04, 120,866.10 and 51,791.76 is: 71,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,584.04 : 120,866.10 = 51,791.76 : x
  2. Step 2: Convert to fraction form
    87,584.04/120,866.10 = 51,791.76/x
  3. Step 3: Cross multiply
    87,584.04x = 120,866.10 × 51,791.76
  4. Step 4: Simplify right side
    87,584.04x = 6,259,868,043.34
  5. Step 5: Solve for x
    x = 6,259,868,043.34/87,584.04
  6. Step 6: Final answer
    x = 71,472.70

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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.