Home / 87,338.88-120,493.44-53,746.56

Finding the Fourth Proportional to 87,338.88, 120,493.44 and 53,746.56

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Solution

The fourth proportional to 87,338.88, 120,493.44 and 53,746.56 is: 74,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,338.88 : 120,493.44 = 53,746.56 : x
  2. Step 2: Convert to fraction form
    87,338.88/120,493.44 = 53,746.56/x
  3. Step 3: Cross multiply
    87,338.88x = 120,493.44 × 53,746.56
  4. Step 4: Simplify right side
    87,338.88x = 6,476,107,902.57
  5. Step 5: Solve for x
    x = 6,476,107,902.57/87,338.88
  6. Step 6: Final answer
    x = 74,149.20

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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.