Home / 63,278.67-87,395.18-49,109.97

Finding the Fourth Proportional to 63,278.67, 87,395.18 and 49,109.97

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Solution

The fourth proportional to 63,278.67, 87,395.18 and 49,109.97 is: 67,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,278.67 : 87,395.18 = 49,109.97 : x
  2. Step 2: Convert to fraction form
    63,278.67/87,395.18 = 49,109.97/x
  3. Step 3: Cross multiply
    63,278.67x = 87,395.18 × 49,109.97
  4. Step 4: Simplify right side
    63,278.67x = 4,291,974,667.94
  5. Step 5: Solve for x
    x = 4,291,974,667.94/63,278.67
  6. Step 6: Final answer
    x = 67,826.56

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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.