Home / 101,032.82-139,426.26-55,712.41

Finding the Fourth Proportional to 101,032.82, 139,426.26 and 55,712.41

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Solution

The fourth proportional to 101,032.82, 139,426.26 and 55,712.41 is: 76,883.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,032.82 : 139,426.26 = 55,712.41 : x
  2. Step 2: Convert to fraction form
    101,032.82/139,426.26 = 55,712.41/x
  3. Step 3: Cross multiply
    101,032.82x = 139,426.26 × 55,712.41
  4. Step 4: Simplify right side
    101,032.82x = 7,767,772,717.78
  5. Step 5: Solve for x
    x = 7,767,772,717.78/101,032.82
  6. Step 6: Final answer
    x = 76,883.66

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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.