Home / 101,327.13-139,800.87-58,877.46

Finding the Fourth Proportional to 101,327.13, 139,800.87 and 58,877.46

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Solution

The fourth proportional to 101,327.13, 139,800.87 and 58,877.46 is: 81,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,327.13 : 139,800.87 = 58,877.46 : x
  2. Step 2: Convert to fraction form
    101,327.13/139,800.87 = 58,877.46/x
  3. Step 3: Cross multiply
    101,327.13x = 139,800.87 × 58,877.46
  4. Step 4: Simplify right side
    101,327.13x = 8,231,120,131.39
  5. Step 5: Solve for x
    x = 8,231,120,131.39/101,327.13
  6. Step 6: Final answer
    x = 81,233.13

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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.