Home / 87,558.16-120,800.28-49,822.96

Finding the Fourth Proportional to 87,558.16, 120,800.28 and 49,822.96

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Solution

The fourth proportional to 87,558.16, 120,800.28 and 49,822.96 is: 68,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,558.16 : 120,800.28 = 49,822.96 : x
  2. Step 2: Convert to fraction form
    87,558.16/120,800.28 = 49,822.96/x
  3. Step 3: Cross multiply
    87,558.16x = 120,800.28 × 49,822.96
  4. Step 4: Simplify right side
    87,558.16x = 6,018,627,518.43
  5. Step 5: Solve for x
    x = 6,018,627,518.43/87,558.16
  6. Step 6: Final answer
    x = 68,738.62

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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.