Home / 87,319.88-120,501.59-49,594.13

Finding the Fourth Proportional to 87,319.88, 120,501.59 and 49,594.13

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Solution

The fourth proportional to 87,319.88, 120,501.59 and 49,594.13 is: 68,439.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,319.88 : 120,501.59 = 49,594.13 : x
  2. Step 2: Convert to fraction form
    87,319.88/120,501.59 = 49,594.13/x
  3. Step 3: Cross multiply
    87,319.88x = 120,501.59 × 49,594.13
  4. Step 4: Simplify right side
    87,319.88x = 5,976,170,669.19
  5. Step 5: Solve for x
    x = 5,976,170,669.19/87,319.88
  6. Step 6: Final answer
    x = 68,439.98

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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.