Home / 88,166.45-121,671.11-49,924.96

Finding the Fourth Proportional to 88,166.45, 121,671.11 and 49,924.96

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Solution

The fourth proportional to 88,166.45, 121,671.11 and 49,924.96 is: 68,897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,166.45 : 121,671.11 = 49,924.96 : x
  2. Step 2: Convert to fraction form
    88,166.45/121,671.11 = 49,924.96/x
  3. Step 3: Cross multiply
    88,166.45x = 121,671.11 × 49,924.96
  4. Step 4: Simplify right side
    88,166.45x = 6,074,425,299.91
  5. Step 5: Solve for x
    x = 6,074,425,299.91/88,166.45
  6. Step 6: Final answer
    x = 68,897.24

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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.