Home / 68,918.12-95,080.74-40,613.48

Finding the Fourth Proportional to 68,918.12, 95,080.74 and 40,613.48

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Solution

The fourth proportional to 68,918.12, 95,080.74 and 40,613.48 is: 56,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,918.12 : 95,080.74 = 40,613.48 : x
  2. Step 2: Convert to fraction form
    68,918.12/95,080.74 = 40,613.48/x
  3. Step 3: Cross multiply
    68,918.12x = 95,080.74 × 40,613.48
  4. Step 4: Simplify right side
    68,918.12x = 3,861,559,732.38
  5. Step 5: Solve for x
    x = 3,861,559,732.38/68,918.12
  6. Step 6: Final answer
    x = 56,031.12

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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.