Home / 68,672.22-94,759.35-38,455.17

Finding the Fourth Proportional to 68,672.22, 94,759.35 and 38,455.17

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Solution

The fourth proportional to 68,672.22, 94,759.35 and 38,455.17 is: 53,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,672.22 : 94,759.35 = 38,455.17 : x
  2. Step 2: Convert to fraction form
    68,672.22/94,759.35 = 38,455.17/x
  3. Step 3: Cross multiply
    68,672.22x = 94,759.35 × 38,455.17
  4. Step 4: Simplify right side
    68,672.22x = 3,643,986,913.34
  5. Step 5: Solve for x
    x = 3,643,986,913.34/68,672.22
  6. Step 6: Final answer
    x = 53,063.48

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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.