Home / 97,799.92-134,954.04-55,351.06

Finding the Fourth Proportional to 97,799.92, 134,954.04 and 55,351.06

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Solution

The fourth proportional to 97,799.92, 134,954.04 and 55,351.06 is: 76,378.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,799.92 : 134,954.04 = 55,351.06 : x
  2. Step 2: Convert to fraction form
    97,799.92/134,954.04 = 55,351.06/x
  3. Step 3: Cross multiply
    97,799.92x = 134,954.04 × 55,351.06
  4. Step 4: Simplify right side
    97,799.92x = 7,469,849,165.28
  5. Step 5: Solve for x
    x = 7,469,849,165.28/97,799.92
  6. Step 6: Final answer
    x = 76,378.89

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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.