Home / 51,909.85-71,481.04-48,142.08

Finding the Fourth Proportional to 51,909.85, 71,481.04 and 48,142.08

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Solution

The fourth proportional to 51,909.85, 71,481.04 and 48,142.08 is: 66,292.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,909.85 : 71,481.04 = 48,142.08 : x
  2. Step 2: Convert to fraction form
    51,909.85/71,481.04 = 48,142.08/x
  3. Step 3: Cross multiply
    51,909.85x = 71,481.04 × 48,142.08
  4. Step 4: Simplify right side
    51,909.85x = 3,441,245,946.16
  5. Step 5: Solve for x
    x = 3,441,245,946.16/51,909.85
  6. Step 6: Final answer
    x = 66,292.74

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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.