Home / 82,734.60-124,081.39-23,570.78

Finding the Fourth Proportional to 82,734.60, 124,081.39 and 23,570.78

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Solution

The fourth proportional to 82,734.60, 124,081.39 and 23,570.78 is: 35,350.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,734.60 : 124,081.39 = 23,570.78 : x
  2. Step 2: Convert to fraction form
    82,734.60/124,081.39 = 23,570.78/x
  3. Step 3: Cross multiply
    82,734.60x = 124,081.39 × 23,570.78
  4. Step 4: Simplify right side
    82,734.60x = 2,924,695,319.09
  5. Step 5: Solve for x
    x = 2,924,695,319.09/82,734.60
  6. Step 6: Final answer
    x = 35,350.33

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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.