Home / 101,130.37-139,610.41-62,902.26

Finding the Fourth Proportional to 101,130.37, 139,610.41 and 62,902.26

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Solution

The fourth proportional to 101,130.37, 139,610.41 and 62,902.26 is: 86,836.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,130.37 : 139,610.41 = 62,902.26 : x
  2. Step 2: Convert to fraction form
    101,130.37/139,610.41 = 62,902.26/x
  3. Step 3: Cross multiply
    101,130.37x = 139,610.41 × 62,902.26
  4. Step 4: Simplify right side
    101,130.37x = 8,781,810,131.86
  5. Step 5: Solve for x
    x = 8,781,810,131.86/101,130.37
  6. Step 6: Final answer
    x = 86,836.52

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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.