Home / 87,488.13-120,753.37-53,524.93

Finding the Fourth Proportional to 87,488.13, 120,753.37 and 53,524.93

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Solution

The fourth proportional to 87,488.13, 120,753.37 and 53,524.93 is: 73,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488.13 : 120,753.37 = 53,524.93 : x
  2. Step 2: Convert to fraction form
    87,488.13/120,753.37 = 53,524.93/x
  3. Step 3: Cross multiply
    87,488.13x = 120,753.37 × 53,524.93
  4. Step 4: Simplify right side
    87,488.13x = 6,463,315,894.36
  5. Step 5: Solve for x
    x = 6,463,315,894.36/87,488.13
  6. Step 6: Final answer
    x = 73,876.49

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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.