Home / 87,073.26-120,150.41-53,069.46

Finding the Fourth Proportional to 87,073.26, 120,150.41 and 53,069.46

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Solution

The fourth proportional to 87,073.26, 120,150.41 and 53,069.46 is: 73,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,073.26 : 120,150.41 = 53,069.46 : x
  2. Step 2: Convert to fraction form
    87,073.26/120,150.41 = 53,069.46/x
  3. Step 3: Cross multiply
    87,073.26x = 120,150.41 × 53,069.46
  4. Step 4: Simplify right side
    87,073.26x = 6,376,317,112.13
  5. Step 5: Solve for x
    x = 6,376,317,112.13/87,073.26
  6. Step 6: Final answer
    x = 73,229.34

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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.