Home / 43,122.53-64,684.07-15,042.46

Finding the Fourth Proportional to 43,122.53, 64,684.07 and 15,042.46

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Solution

The fourth proportional to 43,122.53, 64,684.07 and 15,042.46 is: 22,563.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,122.53 : 64,684.07 = 15,042.46 : x
  2. Step 2: Convert to fraction form
    43,122.53/64,684.07 = 15,042.46/x
  3. Step 3: Cross multiply
    43,122.53x = 64,684.07 × 15,042.46
  4. Step 4: Simplify right side
    43,122.53x = 973,007,476.38
  5. Step 5: Solve for x
    x = 973,007,476.38/43,122.53
  6. Step 6: Final answer
    x = 22,563.79

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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.