Home / 80,110.09-120,269.02-53,625.52

Finding the Fourth Proportional to 80,110.09, 120,269.02 and 53,625.52

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Solution

The fourth proportional to 80,110.09, 120,269.02 and 53,625.52 is: 80,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,110.09 : 120,269.02 = 53,625.52 : x
  2. Step 2: Convert to fraction form
    80,110.09/120,269.02 = 53,625.52/x
  3. Step 3: Cross multiply
    80,110.09x = 120,269.02 × 53,625.52
  4. Step 4: Simplify right side
    80,110.09x = 6,449,488,737.39
  5. Step 5: Solve for x
    x = 6,449,488,737.39/80,110.09
  6. Step 6: Final answer
    x = 80,507.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.