Home / 87,347.84-120,539.42-49,622.10

Finding the Fourth Proportional to 87,347.84, 120,539.42 and 49,622.10

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Solution

The fourth proportional to 87,347.84, 120,539.42 and 49,622.10 is: 68,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,347.84 : 120,539.42 = 49,622.10 : x
  2. Step 2: Convert to fraction form
    87,347.84/120,539.42 = 49,622.10/x
  3. Step 3: Cross multiply
    87,347.84x = 120,539.42 × 49,622.10
  4. Step 4: Simplify right side
    87,347.84x = 5,981,419,153.18
  5. Step 5: Solve for x
    x = 5,981,419,153.18/87,347.84
  6. Step 6: Final answer
    x = 68,478.16

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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.