Home / 87,541.48-131,311.08-40,143.10

Finding the Fourth Proportional to 87,541.48, 131,311.08 and 40,143.10

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Solution

The fourth proportional to 87,541.48, 131,311.08 and 40,143.10 is: 60,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,541.48 : 131,311.08 = 40,143.10 : x
  2. Step 2: Convert to fraction form
    87,541.48/131,311.08 = 40,143.10/x
  3. Step 3: Cross multiply
    87,541.48x = 131,311.08 × 40,143.10
  4. Step 4: Simplify right side
    87,541.48x = 5,271,233,815.55
  5. Step 5: Solve for x
    x = 5,271,233,815.55/87,541.48
  6. Step 6: Final answer
    x = 60,214.13

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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.