Home / 80,860.54-121,314.19-33,466.87

Finding the Fourth Proportional to 80,860.54, 121,314.19 and 33,466.87

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Solution

The fourth proportional to 80,860.54, 121,314.19 and 33,466.87 is: 50,209.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,860.54 : 121,314.19 = 33,466.87 : x
  2. Step 2: Convert to fraction form
    80,860.54/121,314.19 = 33,466.87/x
  3. Step 3: Cross multiply
    80,860.54x = 121,314.19 × 33,466.87
  4. Step 4: Simplify right side
    80,860.54x = 4,060,005,619.31
  5. Step 5: Solve for x
    x = 4,060,005,619.31/80,860.54
  6. Step 6: Final answer
    x = 50,209.98

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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.