Home / 75,785.98-113,687.75-25,189.53

Finding the Fourth Proportional to 75,785.98, 113,687.75 and 25,189.53

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Solution

The fourth proportional to 75,785.98, 113,687.75 and 25,189.53 is: 37,787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,785.98 : 113,687.75 = 25,189.53 : x
  2. Step 2: Convert to fraction form
    75,785.98/113,687.75 = 25,189.53/x
  3. Step 3: Cross multiply
    75,785.98x = 113,687.75 × 25,189.53
  4. Step 4: Simplify right side
    75,785.98x = 2,863,740,989.26
  5. Step 5: Solve for x
    x = 2,863,740,989.26/75,785.98
  6. Step 6: Final answer
    x = 37,787.21

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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.