Home / 98,147.58-135,440.25-59,971.04

Finding the Fourth Proportional to 98,147.58, 135,440.25 and 59,971.04

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Solution

The fourth proportional to 98,147.58, 135,440.25 and 59,971.04 is: 82,757.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,147.58 : 135,440.25 = 59,971.04 : x
  2. Step 2: Convert to fraction form
    98,147.58/135,440.25 = 59,971.04/x
  3. Step 3: Cross multiply
    98,147.58x = 135,440.25 × 59,971.04
  4. Step 4: Simplify right side
    98,147.58x = 8,122,491,973.16
  5. Step 5: Solve for x
    x = 8,122,491,973.16/98,147.58
  6. Step 6: Final answer
    x = 82,757.94

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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.