Home / 87,162.94-120,281.07-48,398.35

Finding the Fourth Proportional to 87,162.94, 120,281.07 and 48,398.35

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Solution

The fourth proportional to 87,162.94, 120,281.07 and 48,398.35 is: 66,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,162.94 : 120,281.07 = 48,398.35 : x
  2. Step 2: Convert to fraction form
    87,162.94/120,281.07 = 48,398.35/x
  3. Step 3: Cross multiply
    87,162.94x = 120,281.07 × 48,398.35
  4. Step 4: Simplify right side
    87,162.94x = 5,821,405,324.23
  5. Step 5: Solve for x
    x = 5,821,405,324.23/87,162.94
  6. Step 6: Final answer
    x = 66,787.62

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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.