Home / 42,125.56-63,170.97-17,148.70

Finding the Fourth Proportional to 42,125.56, 63,170.97 and 17,148.70

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Solution

The fourth proportional to 42,125.56, 63,170.97 and 17,148.70 is: 25,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,125.56 : 63,170.97 = 17,148.70 : x
  2. Step 2: Convert to fraction form
    42,125.56/63,170.97 = 17,148.70/x
  3. Step 3: Cross multiply
    42,125.56x = 63,170.97 × 17,148.70
  4. Step 4: Simplify right side
    42,125.56x = 1,083,300,013.24
  5. Step 5: Solve for x
    x = 1,083,300,013.24/42,125.56
  6. Step 6: Final answer
    x = 25,715.98

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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.