Home / 87,346.86-120,539.07-49,623.18

Finding the Fourth Proportional to 87,346.86, 120,539.07 and 49,623.18

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Solution

The fourth proportional to 87,346.86, 120,539.07 and 49,623.18 is: 68,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,346.86 : 120,539.07 = 49,623.18 : x
  2. Step 2: Convert to fraction form
    87,346.86/120,539.07 = 49,623.18/x
  3. Step 3: Cross multiply
    87,346.86x = 120,539.07 × 49,623.18
  4. Step 4: Simplify right side
    87,346.86x = 5,981,531,967.64
  5. Step 5: Solve for x
    x = 5,981,531,967.64/87,346.86
  6. Step 6: Final answer
    x = 68,480.22

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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.