Home / 63,919.10-95,769.30-40,518.20

Finding the Fourth Proportional to 63,919.10, 95,769.30 and 40,518.20

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Solution

The fourth proportional to 63,919.10, 95,769.30 and 40,518.20 is: 60,707.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,919.10 : 95,769.30 = 40,518.20 : x
  2. Step 2: Convert to fraction form
    63,919.10/95,769.30 = 40,518.20/x
  3. Step 3: Cross multiply
    63,919.10x = 95,769.30 × 40,518.20
  4. Step 4: Simplify right side
    63,919.10x = 3,880,399,651.26
  5. Step 5: Solve for x
    x = 3,880,399,651.26/63,919.10
  6. Step 6: Final answer
    x = 60,707.98

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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.