Home / 87,267.60-120,391.26-54,982.62

Finding the Fourth Proportional to 87,267.60, 120,391.26 and 54,982.62

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Solution

The fourth proportional to 87,267.60, 120,391.26 and 54,982.62 is: 75,852.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,267.60 : 120,391.26 = 54,982.62 : x
  2. Step 2: Convert to fraction form
    87,267.60/120,391.26 = 54,982.62/x
  3. Step 3: Cross multiply
    87,267.60x = 120,391.26 × 54,982.62
  4. Step 4: Simplify right side
    87,267.60x = 6,619,426,899.90
  5. Step 5: Solve for x
    x = 6,619,426,899.90/87,267.60
  6. Step 6: Final answer
    x = 75,852.06

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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.