Home / 49,839.60-68,638.68-48,750.96

Finding the Fourth Proportional to 49,839.60, 68,638.68 and 48,750.96

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Solution

The fourth proportional to 49,839.60, 68,638.68 and 48,750.96 is: 67,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,839.60 : 68,638.68 = 48,750.96 : x
  2. Step 2: Convert to fraction form
    49,839.60/68,638.68 = 48,750.96/x
  3. Step 3: Cross multiply
    49,839.60x = 68,638.68 × 48,750.96
  4. Step 4: Simplify right side
    49,839.60x = 3,346,201,543.13
  5. Step 5: Solve for x
    x = 3,346,201,543.13/49,839.60
  6. Step 6: Final answer
    x = 67,139.41

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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.