Home / 76,050.12-104,839.38-52,138.92

Finding the Fourth Proportional to 76,050.12, 104,839.38 and 52,138.92

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Solution

The fourth proportional to 76,050.12, 104,839.38 and 52,138.92 is: 71,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,050.12 : 104,839.38 = 52,138.92 : x
  2. Step 2: Convert to fraction form
    76,050.12/104,839.38 = 52,138.92/x
  3. Step 3: Cross multiply
    76,050.12x = 104,839.38 × 52,138.92
  4. Step 4: Simplify right side
    76,050.12x = 5,466,212,046.67
  5. Step 5: Solve for x
    x = 5,466,212,046.67/76,050.12
  6. Step 6: Final answer
    x = 71,876.44

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1.5x scale

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.