Home / 80,962.56-121,414.68-34,219.08

Finding the Fourth Proportional to 80,962.56, 121,414.68 and 34,219.08

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Solution

The fourth proportional to 80,962.56, 121,414.68 and 34,219.08 is: 51,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,962.56 : 121,414.68 = 34,219.08 : x
  2. Step 2: Convert to fraction form
    80,962.56/121,414.68 = 34,219.08/x
  3. Step 3: Cross multiply
    80,962.56x = 121,414.68 × 34,219.08
  4. Step 4: Simplify right side
    80,962.56x = 4,154,698,648.09
  5. Step 5: Solve for x
    x = 4,154,698,648.09/80,962.56
  6. Step 6: Final answer
    x = 51,316.30

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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.