Home / 87,582.67-120,870.21-49,856.92

Finding the Fourth Proportional to 87,582.67, 120,870.21 and 49,856.92

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Solution

The fourth proportional to 87,582.67, 120,870.21 and 49,856.92 is: 68,806.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,582.67 : 120,870.21 = 49,856.92 : x
  2. Step 2: Convert to fraction form
    87,582.67/120,870.21 = 49,856.92/x
  3. Step 3: Cross multiply
    87,582.67x = 120,870.21 × 49,856.92
  4. Step 4: Simplify right side
    87,582.67x = 6,026,216,390.35
  5. Step 5: Solve for x
    x = 6,026,216,390.35/87,582.67
  6. Step 6: Final answer
    x = 68,806.04

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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.