Home / 75,787.48-113,649.93-25,871.60

Finding the Fourth Proportional to 75,787.48, 113,649.93 and 25,871.60

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Solution

The fourth proportional to 75,787.48, 113,649.93 and 25,871.60 is: 38,796.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,787.48 : 113,649.93 = 25,871.60 : x
  2. Step 2: Convert to fraction form
    75,787.48/113,649.93 = 25,871.60/x
  3. Step 3: Cross multiply
    75,787.48x = 113,649.93 × 25,871.60
  4. Step 4: Simplify right side
    75,787.48x = 2,940,304,960.74
  5. Step 5: Solve for x
    x = 2,940,304,960.74/75,787.48
  6. Step 6: Final answer
    x = 38,796.71

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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.