Home / 51,989.20-77,854.20-41,621.20

Finding the Fourth Proportional to 51,989.20, 77,854.20 and 41,621.20

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Solution

The fourth proportional to 51,989.20, 77,854.20 and 41,621.20 is: 62,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,989.20 : 77,854.20 = 41,621.20 : x
  2. Step 2: Convert to fraction form
    51,989.20/77,854.20 = 41,621.20/x
  3. Step 3: Cross multiply
    51,989.20x = 77,854.20 × 41,621.20
  4. Step 4: Simplify right side
    51,989.20x = 3,240,385,229.04
  5. Step 5: Solve for x
    x = 3,240,385,229.04/51,989.20
  6. Step 6: Final answer
    x = 62,328.05

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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.