Home / 101,519.46-140,098.57-55,583.12

Finding the Fourth Proportional to 101,519.46, 140,098.57 and 55,583.12

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Solution

The fourth proportional to 101,519.46, 140,098.57 and 55,583.12 is: 76,705.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,519.46 : 140,098.57 = 55,583.12 : x
  2. Step 2: Convert to fraction form
    101,519.46/140,098.57 = 55,583.12/x
  3. Step 3: Cross multiply
    101,519.46x = 140,098.57 × 55,583.12
  4. Step 4: Simplify right side
    101,519.46x = 7,787,115,013.09
  5. Step 5: Solve for x
    x = 7,787,115,013.09/101,519.46
  6. Step 6: Final answer
    x = 76,705.64

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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.