Home / 56,869.20-85,234.62-40,234.03

Finding the Fourth Proportional to 56,869.20, 85,234.62 and 40,234.03

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Solution

The fourth proportional to 56,869.20, 85,234.62 and 40,234.03 is: 60,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,869.20 : 85,234.62 = 40,234.03 : x
  2. Step 2: Convert to fraction form
    56,869.20/85,234.62 = 40,234.03/x
  3. Step 3: Cross multiply
    56,869.20x = 85,234.62 × 40,234.03
  4. Step 4: Simplify right side
    56,869.20x = 3,429,331,630.78
  5. Step 5: Solve for x
    x = 3,429,331,630.78/56,869.20
  6. Step 6: Final answer
    x = 60,302.10

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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.