Home / 75,073.28-112,531.50-25,112.30

Finding the Fourth Proportional to 75,073.28, 112,531.50 and 25,112.30

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Solution

The fourth proportional to 75,073.28, 112,531.50 and 25,112.30 is: 37,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,073.28 : 112,531.50 = 25,112.30 : x
  2. Step 2: Convert to fraction form
    75,073.28/112,531.50 = 25,112.30/x
  3. Step 3: Cross multiply
    75,073.28x = 112,531.50 × 25,112.30
  4. Step 4: Simplify right side
    75,073.28x = 2,825,924,224.79
  5. Step 5: Solve for x
    x = 2,825,924,224.79/75,073.28
  6. Step 6: Final answer
    x = 37,642.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.