Home / 87,670.86-131,488.04-30,752.34

Finding the Fourth Proportional to 87,670.86, 131,488.04 and 30,752.34

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Solution

The fourth proportional to 87,670.86, 131,488.04 and 30,752.34 is: 46,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,670.86 : 131,488.04 = 30,752.34 : x
  2. Step 2: Convert to fraction form
    87,670.86/131,488.04 = 30,752.34/x
  3. Step 3: Cross multiply
    87,670.86x = 131,488.04 × 30,752.34
  4. Step 4: Simplify right side
    87,670.86x = 4,043,564,912.01
  5. Step 5: Solve for x
    x = 4,043,564,912.01/87,670.86
  6. Step 6: Final answer
    x = 46,122.11

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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.