Home / 43,824.80-65,737.20-39,159.20

Finding the Fourth Proportional to 43,824.80, 65,737.20 and 39,159.20

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Solution

The fourth proportional to 43,824.80, 65,737.20 and 39,159.20 is: 58,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,824.80 : 65,737.20 = 39,159.20 : x
  2. Step 2: Convert to fraction form
    43,824.80/65,737.20 = 39,159.20/x
  3. Step 3: Cross multiply
    43,824.80x = 65,737.20 × 39,159.20
  4. Step 4: Simplify right side
    43,824.80x = 2,574,216,162.24
  5. Step 5: Solve for x
    x = 2,574,216,162.24/43,824.80
  6. Step 6: Final answer
    x = 58,738.80

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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.