Home / 98,386.92-135,791.37-58,098.06

Finding the Fourth Proportional to 98,386.92, 135,791.37 and 58,098.06

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Solution

The fourth proportional to 98,386.92, 135,791.37 and 58,098.06 is: 80,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,386.92 : 135,791.37 = 58,098.06 : x
  2. Step 2: Convert to fraction form
    98,386.92/135,791.37 = 58,098.06/x
  3. Step 3: Cross multiply
    98,386.92x = 135,791.37 × 58,098.06
  4. Step 4: Simplify right side
    98,386.92x = 7,889,215,161.74
  5. Step 5: Solve for x
    x = 7,889,215,161.74/98,386.92
  6. Step 6: Final answer
    x = 80,185.61

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1.5x scale

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.