Home / 63,920.10-95,770.80-40,519.20

Finding the Fourth Proportional to 63,920.10, 95,770.80 and 40,519.20

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Solution

The fourth proportional to 63,920.10, 95,770.80 and 40,519.20 is: 60,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,920.10 : 95,770.80 = 40,519.20 : x
  2. Step 2: Convert to fraction form
    63,920.10/95,770.80 = 40,519.20/x
  3. Step 3: Cross multiply
    63,920.10x = 95,770.80 × 40,519.20
  4. Step 4: Simplify right side
    63,920.10x = 3,880,556,199.36
  5. Step 5: Solve for x
    x = 3,880,556,199.36/63,920.10
  6. Step 6: Final answer
    x = 60,709.48

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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.