Home / 124,500.78-186,761.45-52,474.48

Finding the Fourth Proportional to 124,500.78, 186,761.45 and 52,474.48

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Solution

The fourth proportional to 124,500.78, 186,761.45 and 52,474.48 is: 78,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,500.78 : 186,761.45 = 52,474.48 : x
  2. Step 2: Convert to fraction form
    124,500.78/186,761.45 = 52,474.48/x
  3. Step 3: Cross multiply
    124,500.78x = 186,761.45 × 52,474.48
  4. Step 4: Simplify right side
    124,500.78x = 9,800,209,972.80
  5. Step 5: Solve for x
    x = 9,800,209,972.80/124,500.78
  6. Step 6: Final answer
    x = 78,716.05

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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.