Home / 101,204.22-139,661.14-55,885.06

Finding the Fourth Proportional to 101,204.22, 139,661.14 and 55,885.06

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Solution

The fourth proportional to 101,204.22, 139,661.14 and 55,885.06 is: 77,121.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,204.22 : 139,661.14 = 55,885.06 : x
  2. Step 2: Convert to fraction form
    101,204.22/139,661.14 = 55,885.06/x
  3. Step 3: Cross multiply
    101,204.22x = 139,661.14 × 55,885.06
  4. Step 4: Simplify right side
    101,204.22x = 7,804,971,188.57
  5. Step 5: Solve for x
    x = 7,804,971,188.57/101,204.22
  6. Step 6: Final answer
    x = 77,121.01

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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.