Home / 63,780.62-88,049.43-49,408.38

Finding the Fourth Proportional to 63,780.62, 88,049.43 and 49,408.38

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Solution

The fourth proportional to 63,780.62, 88,049.43 and 49,408.38 is: 68,208.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,780.62 : 88,049.43 = 49,408.38 : x
  2. Step 2: Convert to fraction form
    63,780.62/88,049.43 = 49,408.38/x
  3. Step 3: Cross multiply
    63,780.62x = 88,049.43 × 49,408.38
  4. Step 4: Simplify right side
    63,780.62x = 4,350,379,696.22
  5. Step 5: Solve for x
    x = 4,350,379,696.22/63,780.62
  6. Step 6: Final answer
    x = 68,208.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.