Home / 75,679.89-104,438.22-43,867.23

Finding the Fourth Proportional to 75,679.89, 104,438.22 and 43,867.23

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Solution

The fourth proportional to 75,679.89, 104,438.22 and 43,867.23 is: 60,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,679.89 : 104,438.22 = 43,867.23 : x
  2. Step 2: Convert to fraction form
    75,679.89/104,438.22 = 43,867.23/x
  3. Step 3: Cross multiply
    75,679.89x = 104,438.22 × 43,867.23
  4. Step 4: Simplify right side
    75,679.89x = 4,581,415,417.53
  5. Step 5: Solve for x
    x = 4,581,415,417.53/75,679.89
  6. Step 6: Final answer
    x = 60,536.76

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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.