Home / 74,299.20-102,532.04-40,765.20

Finding the Fourth Proportional to 74,299.20, 102,532.04 and 40,765.20

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Solution

The fourth proportional to 74,299.20, 102,532.04 and 40,765.20 is: 56,255.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,299.20 : 102,532.04 = 40,765.20 : x
  2. Step 2: Convert to fraction form
    74,299.20/102,532.04 = 40,765.20/x
  3. Step 3: Cross multiply
    74,299.20x = 102,532.04 × 40,765.20
  4. Step 4: Simplify right side
    74,299.20x = 4,179,739,117.01
  5. Step 5: Solve for x
    x = 4,179,739,117.01/74,299.20
  6. Step 6: Final answer
    x = 56,255.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.