Home / 75,787.48-113,690-25,191.03

Finding the Fourth Proportional to 75,787.48, 113,690 and 25,191.03

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Solution

The fourth proportional to 75,787.48, 113,690 and 25,191.03 is: 37,789.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,787.48 : 113,690 = 25,191.03 : x
  2. Step 2: Convert to fraction form
    75,787.48/113,690 = 25,191.03/x
  3. Step 3: Cross multiply
    75,787.48x = 113,690 × 25,191.03
  4. Step 4: Simplify right side
    75,787.48x = 2,863,968,200.70
  5. Step 5: Solve for x
    x = 2,863,968,200.70/75,787.48
  6. Step 6: Final answer
    x = 37,789.46

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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.