Home / 98,391.27-135,790.38-60,173.16

Finding the Fourth Proportional to 98,391.27, 135,790.38 and 60,173.16

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Solution

The fourth proportional to 98,391.27, 135,790.38 and 60,173.16 is: 83,045.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,391.27 : 135,790.38 = 60,173.16 : x
  2. Step 2: Convert to fraction form
    98,391.27/135,790.38 = 60,173.16/x
  3. Step 3: Cross multiply
    98,391.27x = 135,790.38 × 60,173.16
  4. Step 4: Simplify right side
    98,391.27x = 8,170,936,262.20
  5. Step 5: Solve for x
    x = 8,170,936,262.20/98,391.27
  6. Step 6: Final answer
    x = 83,045.34

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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.