Home / 80,041.16-120,130.70-44,537.95

Finding the Fourth Proportional to 80,041.16, 120,130.70 and 44,537.95

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Solution

The fourth proportional to 80,041.16, 120,130.70 and 44,537.95 is: 66,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,041.16 : 120,130.70 = 44,537.95 : x
  2. Step 2: Convert to fraction form
    80,041.16/120,130.70 = 44,537.95/x
  3. Step 3: Cross multiply
    80,041.16x = 120,130.70 × 44,537.95
  4. Step 4: Simplify right side
    80,041.16x = 5,350,375,037.54
  5. Step 5: Solve for x
    x = 5,350,375,037.54/80,041.16
  6. Step 6: Final answer
    x = 66,845.29

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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.