Home / 68,788.14-94,817.88-54,228.57

Finding the Fourth Proportional to 68,788.14, 94,817.88 and 54,228.57

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Solution

The fourth proportional to 68,788.14, 94,817.88 and 54,228.57 is: 74,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,788.14 : 94,817.88 = 54,228.57 : x
  2. Step 2: Convert to fraction form
    68,788.14/94,817.88 = 54,228.57/x
  3. Step 3: Cross multiply
    68,788.14x = 94,817.88 × 54,228.57
  4. Step 4: Simplify right side
    68,788.14x = 5,141,838,042.83
  5. Step 5: Solve for x
    x = 5,141,838,042.83/68,788.14
  6. Step 6: Final answer
    x = 74,748.90

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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.