Home / 87,923.98-121,340.19-49,682.53

Finding the Fourth Proportional to 87,923.98, 121,340.19 and 49,682.53

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Solution

The fourth proportional to 87,923.98, 121,340.19 and 49,682.53 is: 68,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,923.98 : 121,340.19 = 49,682.53 : x
  2. Step 2: Convert to fraction form
    87,923.98/121,340.19 = 49,682.53/x
  3. Step 3: Cross multiply
    87,923.98x = 121,340.19 × 49,682.53
  4. Step 4: Simplify right side
    87,923.98x = 6,028,487,967.87
  5. Step 5: Solve for x
    x = 6,028,487,967.87/87,923.98
  6. Step 6: Final answer
    x = 68,564.77

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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.