Home / 83,351.93-125,049.38-30,041.78

Finding the Fourth Proportional to 83,351.93, 125,049.38 and 30,041.78

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Solution

The fourth proportional to 83,351.93, 125,049.38 and 30,041.78 is: 45,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,351.93 : 125,049.38 = 30,041.78 : x
  2. Step 2: Convert to fraction form
    83,351.93/125,049.38 = 30,041.78/x
  3. Step 3: Cross multiply
    83,351.93x = 125,049.38 × 30,041.78
  4. Step 4: Simplify right side
    83,351.93x = 3,756,705,812.89
  5. Step 5: Solve for x
    x = 3,756,705,812.89/83,351.93
  6. Step 6: Final answer
    x = 45,070.41

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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.