Home / 75,013.76-103,519.68-41,480.32

Finding the Fourth Proportional to 75,013.76, 103,519.68 and 41,480.32

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Solution

The fourth proportional to 75,013.76, 103,519.68 and 41,480.32 is: 57,243.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,013.76 : 103,519.68 = 41,480.32 : x
  2. Step 2: Convert to fraction form
    75,013.76/103,519.68 = 41,480.32/x
  3. Step 3: Cross multiply
    75,013.76x = 103,519.68 × 41,480.32
  4. Step 4: Simplify right side
    75,013.76x = 4,294,029,452.70
  5. Step 5: Solve for x
    x = 4,294,029,452.70/75,013.76
  6. Step 6: Final answer
    x = 57,243.22

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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.