Home / 98,283.90-135,524.61-66,397.44

Finding the Fourth Proportional to 98,283.90, 135,524.61 and 66,397.44

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Solution

The fourth proportional to 98,283.90, 135,524.61 and 66,397.44 is: 91,556.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,283.90 : 135,524.61 = 66,397.44 : x
  2. Step 2: Convert to fraction form
    98,283.90/135,524.61 = 66,397.44/x
  3. Step 3: Cross multiply
    98,283.90x = 135,524.61 × 66,397.44
  4. Step 4: Simplify right side
    98,283.90x = 8,998,487,161.00
  5. Step 5: Solve for x
    x = 8,998,487,161.00/98,283.90
  6. Step 6: Final answer
    x = 91,556.07

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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.