Home / 98,016.76-135,143.58-82,882.36

Finding the Fourth Proportional to 98,016.76, 135,143.58 and 82,882.36

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Solution

The fourth proportional to 98,016.76, 135,143.58 and 82,882.36 is: 114,276.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,016.76 : 135,143.58 = 82,882.36 : x
  2. Step 2: Convert to fraction form
    98,016.76/135,143.58 = 82,882.36/x
  3. Step 3: Cross multiply
    98,016.76x = 135,143.58 × 82,882.36
  4. Step 4: Simplify right side
    98,016.76x = 11,201,018,849.25
  5. Step 5: Solve for x
    x = 11,201,018,849.25/98,016.76
  6. Step 6: Final answer
    x = 114,276.57

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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.