Home / 75,679.72-104,438.03-43,867.08

Finding the Fourth Proportional to 75,679.72, 104,438.03 and 43,867.08

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Solution

The fourth proportional to 75,679.72, 104,438.03 and 43,867.08 is: 60,536.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,679.72 : 104,438.03 = 43,867.08 : x
  2. Step 2: Convert to fraction form
    75,679.72/104,438.03 = 43,867.08/x
  3. Step 3: Cross multiply
    75,679.72x = 104,438.03 × 43,867.08
  4. Step 4: Simplify right side
    75,679.72x = 4,581,391,417.05
  5. Step 5: Solve for x
    x = 4,581,391,417.05/75,679.72
  6. Step 6: Final answer
    x = 60,536.58

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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.