Home / 68,932.08-103,367.88-21,534.12

Finding the Fourth Proportional to 68,932.08, 103,367.88 and 21,534.12

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Solution

The fourth proportional to 68,932.08, 103,367.88 and 21,534.12 is: 32,291.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,932.08 : 103,367.88 = 21,534.12 : x
  2. Step 2: Convert to fraction form
    68,932.08/103,367.88 = 21,534.12/x
  3. Step 3: Cross multiply
    68,932.08x = 103,367.88 × 21,534.12
  4. Step 4: Simplify right side
    68,932.08x = 2,225,936,332.07
  5. Step 5: Solve for x
    x = 2,225,936,332.07/68,932.08
  6. Step 6: Final answer
    x = 32,291.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.