Home / 83,731.78-125,614.95-27,575.23

Finding the Fourth Proportional to 83,731.78, 125,614.95 and 27,575.23

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Solution

The fourth proportional to 83,731.78, 125,614.95 and 27,575.23 is: 41,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,731.78 : 125,614.95 = 27,575.23 : x
  2. Step 2: Convert to fraction form
    83,731.78/125,614.95 = 27,575.23/x
  3. Step 3: Cross multiply
    83,731.78x = 125,614.95 × 27,575.23
  4. Step 4: Simplify right side
    83,731.78x = 3,463,861,137.69
  5. Step 5: Solve for x
    x = 3,463,861,137.69/83,731.78
  6. Step 6: Final answer
    x = 41,368.54

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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.