Home / 98,017.76-135,144.96-82,883.36

Finding the Fourth Proportional to 98,017.76, 135,144.96 and 82,883.36

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Solution

The fourth proportional to 98,017.76, 135,144.96 and 82,883.36 is: 114,277.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,017.76 : 135,144.96 = 82,883.36 : x
  2. Step 2: Convert to fraction form
    98,017.76/135,144.96 = 82,883.36/x
  3. Step 3: Cross multiply
    98,017.76x = 135,144.96 × 82,883.36
  4. Step 4: Simplify right side
    98,017.76x = 11,201,268,371.87
  5. Step 5: Solve for x
    x = 11,201,268,371.87/98,017.76
  6. Step 6: Final answer
    x = 114,277.95

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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.