Home / 68,647.27-94,742.16-38,444.12

Finding the Fourth Proportional to 68,647.27, 94,742.16 and 38,444.12

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Solution

The fourth proportional to 68,647.27, 94,742.16 and 38,444.12 is: 53,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,647.27 : 94,742.16 = 38,444.12 : x
  2. Step 2: Convert to fraction form
    68,647.27/94,742.16 = 38,444.12/x
  3. Step 3: Cross multiply
    68,647.27x = 94,742.16 × 38,444.12
  4. Step 4: Simplify right side
    68,647.27x = 3,642,278,968.10
  5. Step 5: Solve for x
    x = 3,642,278,968.10/68,647.27
  6. Step 6: Final answer
    x = 53,057.89

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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.