Home / 98,207.36-135,521.78-57,375.27

Finding the Fourth Proportional to 98,207.36, 135,521.78 and 57,375.27

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Solution

The fourth proportional to 98,207.36, 135,521.78 and 57,375.27 is: 79,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,207.36 : 135,521.78 = 57,375.27 : x
  2. Step 2: Convert to fraction form
    98,207.36/135,521.78 = 57,375.27/x
  3. Step 3: Cross multiply
    98,207.36x = 135,521.78 × 57,375.27
  4. Step 4: Simplify right side
    98,207.36x = 7,775,598,431.50
  5. Step 5: Solve for x
    x = 7,775,598,431.50/98,207.36
  6. Step 6: Final answer
    x = 79,175.32

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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.