Home / 87,579.77-131,357.75-34,234.63

Finding the Fourth Proportional to 87,579.77, 131,357.75 and 34,234.63

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Solution

The fourth proportional to 87,579.77, 131,357.75 and 34,234.63 is: 51,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,579.77 : 131,357.75 = 34,234.63 : x
  2. Step 2: Convert to fraction form
    87,579.77/131,357.75 = 34,234.63/x
  3. Step 3: Cross multiply
    87,579.77x = 131,357.75 × 34,234.63
  4. Step 4: Simplify right side
    87,579.77x = 4,496,983,968.88
  5. Step 5: Solve for x
    x = 4,496,983,968.88/87,579.77
  6. Step 6: Final answer
    x = 51,347.29

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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.