Home / 87,773.36-131,673-25,435.76

Finding the Fourth Proportional to 87,773.36, 131,673 and 25,435.76

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Solution

The fourth proportional to 87,773.36, 131,673 and 25,435.76 is: 38,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,773.36 : 131,673 = 25,435.76 : x
  2. Step 2: Convert to fraction form
    87,773.36/131,673 = 25,435.76/x
  3. Step 3: Cross multiply
    87,773.36x = 131,673 × 25,435.76
  4. Step 4: Simplify right side
    87,773.36x = 3,349,202,826.48
  5. Step 5: Solve for x
    x = 3,349,202,826.48/87,773.36
  6. Step 6: Final answer
    x = 38,157.40

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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.