Home / 101,146.46-139,581.43-55,824.44

Finding the Fourth Proportional to 101,146.46, 139,581.43 and 55,824.44

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Solution

The fourth proportional to 101,146.46, 139,581.43 and 55,824.44 is: 77,037.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,146.46 : 139,581.43 = 55,824.44 : x
  2. Step 2: Convert to fraction form
    101,146.46/139,581.43 = 55,824.44/x
  3. Step 3: Cross multiply
    101,146.46x = 139,581.43 × 55,824.44
  4. Step 4: Simplify right side
    101,146.46x = 7,792,055,373.54
  5. Step 5: Solve for x
    x = 7,792,055,373.54/101,146.46
  6. Step 6: Final answer
    x = 77,037.35

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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.