Home / 75,101.22-103,665.56-43,282.80

Finding the Fourth Proportional to 75,101.22, 103,665.56 and 43,282.80

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Solution

The fourth proportional to 75,101.22, 103,665.56 and 43,282.80 is: 59,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,101.22 : 103,665.56 = 43,282.80 : x
  2. Step 2: Convert to fraction form
    75,101.22/103,665.56 = 43,282.80/x
  3. Step 3: Cross multiply
    75,101.22x = 103,665.56 × 43,282.80
  4. Step 4: Simplify right side
    75,101.22x = 4,486,935,700.37
  5. Step 5: Solve for x
    x = 4,486,935,700.37/75,101.22
  6. Step 6: Final answer
    x = 59,745.18

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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.