Home / 101,010.44-139,395.36-55,690.03

Finding the Fourth Proportional to 101,010.44, 139,395.36 and 55,690.03

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Solution

The fourth proportional to 101,010.44, 139,395.36 and 55,690.03 is: 76,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,010.44 : 139,395.36 = 55,690.03 : x
  2. Step 2: Convert to fraction form
    101,010.44/139,395.36 = 55,690.03/x
  3. Step 3: Cross multiply
    101,010.44x = 139,395.36 × 55,690.03
  4. Step 4: Simplify right side
    101,010.44x = 7,762,931,780.26
  5. Step 5: Solve for x
    x = 7,762,931,780.26/101,010.44
  6. Step 6: Final answer
    x = 76,852.77

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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.