Home / 75,161.20-103,722.24-41,627.20

Finding the Fourth Proportional to 75,161.20, 103,722.24 and 41,627.20

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Solution

The fourth proportional to 75,161.20, 103,722.24 and 41,627.20 is: 57,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,161.20 : 103,722.24 = 41,627.20 : x
  2. Step 2: Convert to fraction form
    75,161.20/103,722.24 = 41,627.20/x
  3. Step 3: Cross multiply
    75,161.20x = 103,722.24 × 41,627.20
  4. Step 4: Simplify right side
    75,161.20x = 4,317,666,428.93
  5. Step 5: Solve for x
    x = 4,317,666,428.93/75,161.20
  6. Step 6: Final answer
    x = 57,445.42

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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.