Home / 75,327.13-112,986.05-30,952.76

Finding the Fourth Proportional to 75,327.13, 112,986.05 and 30,952.76

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Solution

The fourth proportional to 75,327.13, 112,986.05 and 30,952.76 is: 46,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,327.13 : 112,986.05 = 30,952.76 : x
  2. Step 2: Convert to fraction form
    75,327.13/112,986.05 = 30,952.76/x
  3. Step 3: Cross multiply
    75,327.13x = 112,986.05 × 30,952.76
  4. Step 4: Simplify right side
    75,327.13x = 3,497,229,369.30
  5. Step 5: Solve for x
    x = 3,497,229,369.30/75,327.13
  6. Step 6: Final answer
    x = 46,427.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.