Home / 68,901.12-95,087.16-38,684.88

Finding the Fourth Proportional to 68,901.12, 95,087.16 and 38,684.88

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Solution

The fourth proportional to 68,901.12, 95,087.16 and 38,684.88 is: 53,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,901.12 : 95,087.16 = 38,684.88 : x
  2. Step 2: Convert to fraction form
    68,901.12/95,087.16 = 38,684.88/x
  3. Step 3: Cross multiply
    68,901.12x = 95,087.16 × 38,684.88
  4. Step 4: Simplify right side
    68,901.12x = 3,678,435,374.14
  5. Step 5: Solve for x
    x = 3,678,435,374.14/68,901.12
  6. Step 6: Final answer
    x = 53,387.16

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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.