Home / 87,557.44-120,829.44-49,831.96

Finding the Fourth Proportional to 87,557.44, 120,829.44 and 49,831.96

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Solution

The fourth proportional to 87,557.44, 120,829.44 and 49,831.96 is: 68,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,557.44 : 120,829.44 = 49,831.96 : x
  2. Step 2: Convert to fraction form
    87,557.44/120,829.44 = 49,831.96/x
  3. Step 3: Cross multiply
    87,557.44x = 120,829.44 × 49,831.96
  4. Step 4: Simplify right side
    87,557.44x = 6,021,167,820.90
  5. Step 5: Solve for x
    x = 6,021,167,820.90/87,557.44
  6. Step 6: Final answer
    x = 68,768.20

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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.