Home / 68,243.04-94,183.02-38,031.12

Finding the Fourth Proportional to 68,243.04, 94,183.02 and 38,031.12

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Solution

The fourth proportional to 68,243.04, 94,183.02 and 38,031.12 is: 52,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,243.04 : 94,183.02 = 38,031.12 : x
  2. Step 2: Convert to fraction form
    68,243.04/94,183.02 = 38,031.12/x
  3. Step 3: Cross multiply
    68,243.04x = 94,183.02 × 38,031.12
  4. Step 4: Simplify right side
    68,243.04x = 3,581,885,735.58
  5. Step 5: Solve for x
    x = 3,581,885,735.58/68,243.04
  6. Step 6: Final answer
    x = 52,487.19

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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.