Home / 98,291.26-135,504.52-83,122.93

Finding the Fourth Proportional to 98,291.26, 135,504.52 and 83,122.93

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Solution

The fourth proportional to 98,291.26, 135,504.52 and 83,122.93 is: 114,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,291.26 : 135,504.52 = 83,122.93 : x
  2. Step 2: Convert to fraction form
    98,291.26/135,504.52 = 83,122.93/x
  3. Step 3: Cross multiply
    98,291.26x = 135,504.52 × 83,122.93
  4. Step 4: Simplify right side
    98,291.26x = 11,263,532,730.64
  5. Step 5: Solve for x
    x = 11,263,532,730.64/98,291.26
  6. Step 6: Final answer
    x = 114,593.43

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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.