Home / 97,854.20-146,781.30-35,516.60

Finding the Fourth Proportional to 97,854.20, 146,781.30 and 35,516.60

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Solution

The fourth proportional to 97,854.20, 146,781.30 and 35,516.60 is: 53,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,854.20 : 146,781.30 = 35,516.60 : x
  2. Step 2: Convert to fraction form
    97,854.20/146,781.30 = 35,516.60/x
  3. Step 3: Cross multiply
    97,854.20x = 146,781.30 × 35,516.60
  4. Step 4: Simplify right side
    97,854.20x = 5,213,172,719.58
  5. Step 5: Solve for x
    x = 5,213,172,719.58/97,854.20
  6. Step 6: Final answer
    x = 53,274.90

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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.