Home / 97,126.20-134,071.82-75,912.36

Finding the Fourth Proportional to 97,126.20, 134,071.82 and 75,912.36

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Solution

The fourth proportional to 97,126.20, 134,071.82 and 75,912.36 is: 104,788.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,126.20 : 134,071.82 = 75,912.36 : x
  2. Step 2: Convert to fraction form
    97,126.20/134,071.82 = 75,912.36/x
  3. Step 3: Cross multiply
    97,126.20x = 134,071.82 × 75,912.36
  4. Step 4: Simplify right side
    97,126.20x = 10,177,708,265.70
  5. Step 5: Solve for x
    x = 10,177,708,265.70/97,126.20
  6. Step 6: Final answer
    x = 104,788.49

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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.