Home / 75,786.48-113,688.51-25,190.04

Finding the Fourth Proportional to 75,786.48, 113,688.51 and 25,190.04

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Solution

The fourth proportional to 75,786.48, 113,688.51 and 25,190.04 is: 37,787.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,786.48 : 113,688.51 = 25,190.04 : x
  2. Step 2: Convert to fraction form
    75,786.48/113,688.51 = 25,190.04/x
  3. Step 3: Cross multiply
    75,786.48x = 113,688.51 × 25,190.04
  4. Step 4: Simplify right side
    75,786.48x = 2,863,818,114.44
  5. Step 5: Solve for x
    x = 2,863,818,114.44/75,786.48
  6. Step 6: Final answer
    x = 37,787.98

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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.