Home / 87,835.08-131,752.70-28,670.60

Finding the Fourth Proportional to 87,835.08, 131,752.70 and 28,670.60

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Solution

The fourth proportional to 87,835.08, 131,752.70 and 28,670.60 is: 43,005.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,835.08 : 131,752.70 = 28,670.60 : x
  2. Step 2: Convert to fraction form
    87,835.08/131,752.70 = 28,670.60/x
  3. Step 3: Cross multiply
    87,835.08x = 131,752.70 × 28,670.60
  4. Step 4: Simplify right side
    87,835.08x = 3,777,428,960.62
  5. Step 5: Solve for x
    x = 3,777,428,960.62/87,835.08
  6. Step 6: Final answer
    x = 43,005.93

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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.