Home / 75,204.28-103,781.81-41,214.90

Finding the Fourth Proportional to 75,204.28, 103,781.81 and 41,214.90

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Solution

The fourth proportional to 75,204.28, 103,781.81 and 41,214.90 is: 56,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,204.28 : 103,781.81 = 41,214.90 : x
  2. Step 2: Convert to fraction form
    75,204.28/103,781.81 = 41,214.90/x
  3. Step 3: Cross multiply
    75,204.28x = 103,781.81 × 41,214.90
  4. Step 4: Simplify right side
    75,204.28x = 4,277,356,920.97
  5. Step 5: Solve for x
    x = 4,277,356,920.97/75,204.28
  6. Step 6: Final answer
    x = 56,876.51

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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.