Home / 43,049.88-64,472.76-27,420.12

Finding the Fourth Proportional to 43,049.88, 64,472.76 and 27,420.12

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Solution

The fourth proportional to 43,049.88, 64,472.76 and 27,420.12 is: 41,065.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,049.88 : 64,472.76 = 27,420.12 : x
  2. Step 2: Convert to fraction form
    43,049.88/64,472.76 = 27,420.12/x
  3. Step 3: Cross multiply
    43,049.88x = 64,472.76 × 27,420.12
  4. Step 4: Simplify right side
    43,049.88x = 1,767,850,815.93
  5. Step 5: Solve for x
    x = 1,767,850,815.93/43,049.88
  6. Step 6: Final answer
    x = 41,065.17

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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.