Home / 101,383.19-139,906.32-56,060.00

Finding the Fourth Proportional to 101,383.19, 139,906.32 and 56,060.00

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Solution

The fourth proportional to 101,383.19, 139,906.32 and 56,060.00 is: 77,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,383.19 : 139,906.32 = 56,060.00 : x
  2. Step 2: Convert to fraction form
    101,383.19/139,906.32 = 56,060.00/x
  3. Step 3: Cross multiply
    101,383.19x = 139,906.32 × 56,060.00
  4. Step 4: Simplify right side
    101,383.19x = 7,843,148,648.97
  5. Step 5: Solve for x
    x = 7,843,148,648.97/101,383.19
  6. Step 6: Final answer
    x = 77,361.43

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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.