Home / 87,802.48-131,707.96-28,638.04

Finding the Fourth Proportional to 87,802.48, 131,707.96 and 28,638.04

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Solution

The fourth proportional to 87,802.48, 131,707.96 and 28,638.04 is: 42,958.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,802.48 : 131,707.96 = 28,638.04 : x
  2. Step 2: Convert to fraction form
    87,802.48/131,707.96 = 28,638.04/x
  3. Step 3: Cross multiply
    87,802.48x = 131,707.96 × 28,638.04
  4. Step 4: Simplify right side
    87,802.48x = 3,771,857,826.80
  5. Step 5: Solve for x
    x = 3,771,857,826.80/87,802.48
  6. Step 6: Final answer
    x = 42,958.44

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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.