Home / 75,512.71-104,210.21-41,523.78

Finding the Fourth Proportional to 75,512.71, 104,210.21 and 41,523.78

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Solution

The fourth proportional to 75,512.71, 104,210.21 and 41,523.78 is: 57,304.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,512.71 : 104,210.21 = 41,523.78 : x
  2. Step 2: Convert to fraction form
    75,512.71/104,210.21 = 41,523.78/x
  3. Step 3: Cross multiply
    75,512.71x = 104,210.21 × 41,523.78
  4. Step 4: Simplify right side
    75,512.71x = 4,327,201,937.60
  5. Step 5: Solve for x
    x = 4,327,201,937.60/75,512.71
  6. Step 6: Final answer
    x = 57,304.29

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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.