Home / 74,847.11-103,306.35-49,358.06

Finding the Fourth Proportional to 74,847.11, 103,306.35 and 49,358.06

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Solution

The fourth proportional to 74,847.11, 103,306.35 and 49,358.06 is: 68,125.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,847.11 : 103,306.35 = 49,358.06 : x
  2. Step 2: Convert to fraction form
    74,847.11/103,306.35 = 49,358.06/x
  3. Step 3: Cross multiply
    74,847.11x = 103,306.35 × 49,358.06
  4. Step 4: Simplify right side
    74,847.11x = 5,099,001,021.68
  5. Step 5: Solve for x
    x = 5,099,001,021.68/74,847.11
  6. Step 6: Final answer
    x = 68,125.56

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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.