Home / 55,621.80-76,770.18-36,760.68

Finding the Fourth Proportional to 55,621.80, 76,770.18 and 36,760.68

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Solution

The fourth proportional to 55,621.80, 76,770.18 and 36,760.68 is: 50,737.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,621.80 : 76,770.18 = 36,760.68 : x
  2. Step 2: Convert to fraction form
    55,621.80/76,770.18 = 36,760.68/x
  3. Step 3: Cross multiply
    55,621.80x = 76,770.18 × 36,760.68
  4. Step 4: Simplify right side
    55,621.80x = 2,822,124,020.52
  5. Step 5: Solve for x
    x = 2,822,124,020.52/55,621.80
  6. Step 6: Final answer
    x = 50,737.73

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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.