Home / 68,726.55-94,848.39-38,511.39

Finding the Fourth Proportional to 68,726.55, 94,848.39 and 38,511.39

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Solution

The fourth proportional to 68,726.55, 94,848.39 and 38,511.39 is: 53,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,726.55 : 94,848.39 = 38,511.39 : x
  2. Step 2: Convert to fraction form
    68,726.55/94,848.39 = 38,511.39/x
  3. Step 3: Cross multiply
    68,726.55x = 94,848.39 × 38,511.39
  4. Step 4: Simplify right side
    68,726.55x = 3,652,743,338.16
  5. Step 5: Solve for x
    x = 3,652,743,338.16/68,726.55
  6. Step 6: Final answer
    x = 53,148.94

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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.