Home / 98,343.03-135,693.05-57,499.29

Finding the Fourth Proportional to 98,343.03, 135,693.05 and 57,499.29

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Solution

The fourth proportional to 98,343.03, 135,693.05 and 57,499.29 is: 79,337.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,343.03 : 135,693.05 = 57,499.29 : x
  2. Step 2: Convert to fraction form
    98,343.03/135,693.05 = 57,499.29/x
  3. Step 3: Cross multiply
    98,343.03x = 135,693.05 × 57,499.29
  4. Step 4: Simplify right side
    98,343.03x = 7,802,253,745.44
  5. Step 5: Solve for x
    x = 7,802,253,745.44/98,343.03
  6. Step 6: Final answer
    x = 79,337.13

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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.