Home / 61,766.68-85,231.20-34,909.18

Finding the Fourth Proportional to 61,766.68, 85,231.20 and 34,909.18

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Solution

The fourth proportional to 61,766.68, 85,231.20 and 34,909.18 is: 48,170.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,766.68 : 85,231.20 = 34,909.18 : x
  2. Step 2: Convert to fraction form
    61,766.68/85,231.20 = 34,909.18/x
  3. Step 3: Cross multiply
    61,766.68x = 85,231.20 × 34,909.18
  4. Step 4: Simplify right side
    61,766.68x = 2,975,351,302.42
  5. Step 5: Solve for x
    x = 2,975,351,302.42/61,766.68
  6. Step 6: Final answer
    x = 48,170.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.