Home / 98,296.10-135,694.29-74,106.85

Finding the Fourth Proportional to 98,296.10, 135,694.29 and 74,106.85

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Solution

The fourth proportional to 98,296.10, 135,694.29 and 74,106.85 is: 102,301.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,296.10 : 135,694.29 = 74,106.85 : x
  2. Step 2: Convert to fraction form
    98,296.10/135,694.29 = 74,106.85/x
  3. Step 3: Cross multiply
    98,296.10x = 135,694.29 × 74,106.85
  4. Step 4: Simplify right side
    98,296.10x = 10,055,876,344.34
  5. Step 5: Solve for x
    x = 10,055,876,344.34/98,296.10
  6. Step 6: Final answer
    x = 102,301.89

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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.