Home / 101,301.32-139,795.06-55,982.36

Finding the Fourth Proportional to 101,301.32, 139,795.06 and 55,982.36

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Solution

The fourth proportional to 101,301.32, 139,795.06 and 55,982.36 is: 77,255.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,301.32 : 139,795.06 = 55,982.36 : x
  2. Step 2: Convert to fraction form
    101,301.32/139,795.06 = 55,982.36/x
  3. Step 3: Cross multiply
    101,301.32x = 139,795.06 × 55,982.36
  4. Step 4: Simplify right side
    101,301.32x = 7,826,057,375.14
  5. Step 5: Solve for x
    x = 7,826,057,375.14/101,301.32
  6. Step 6: Final answer
    x = 77,255.24

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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.