Home / 80,770.60-121,175.10-33,999.40

Finding the Fourth Proportional to 80,770.60, 121,175.10 and 33,999.40

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Solution

The fourth proportional to 80,770.60, 121,175.10 and 33,999.40 is: 51,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,770.60 : 121,175.10 = 33,999.40 : x
  2. Step 2: Convert to fraction form
    80,770.60/121,175.10 = 33,999.40/x
  3. Step 3: Cross multiply
    80,770.60x = 121,175.10 × 33,999.40
  4. Step 4: Simplify right side
    80,770.60x = 4,119,880,694.94
  5. Step 5: Solve for x
    x = 4,119,880,694.94/80,770.60
  6. Step 6: Final answer
    x = 51,007.18

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1.5x scale

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.