Home / 101,251.22-139,723.97-55,928.23

Finding the Fourth Proportional to 101,251.22, 139,723.97 and 55,928.23

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Solution

The fourth proportional to 101,251.22, 139,723.97 and 55,928.23 is: 77,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,251.22 : 139,723.97 = 55,928.23 : x
  2. Step 2: Convert to fraction form
    101,251.22/139,723.97 = 55,928.23/x
  3. Step 3: Cross multiply
    101,251.22x = 139,723.97 × 55,928.23
  4. Step 4: Simplify right side
    101,251.22x = 7,814,513,701.72
  5. Step 5: Solve for x
    x = 7,814,513,701.72/101,251.22
  6. Step 6: Final answer
    x = 77,179.46

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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.