Home / 71,183.90-98,243.61-40,968.65

Finding the Fourth Proportional to 71,183.90, 98,243.61 and 40,968.65

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Solution

The fourth proportional to 71,183.90, 98,243.61 and 40,968.65 is: 56,542.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,183.90 : 98,243.61 = 40,968.65 : x
  2. Step 2: Convert to fraction form
    71,183.90/98,243.61 = 40,968.65/x
  3. Step 3: Cross multiply
    71,183.90x = 98,243.61 × 40,968.65
  4. Step 4: Simplify right side
    71,183.90x = 4,024,908,072.83
  5. Step 5: Solve for x
    x = 4,024,908,072.83/71,183.90
  6. Step 6: Final answer
    x = 56,542.39

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1.5x scale

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.