Home / 75,372.28-113,058.30-28,625.08

Finding the Fourth Proportional to 75,372.28, 113,058.30 and 28,625.08

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Solution

The fourth proportional to 75,372.28, 113,058.30 and 28,625.08 is: 42,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,372.28 : 113,058.30 = 28,625.08 : x
  2. Step 2: Convert to fraction form
    75,372.28/113,058.30 = 28,625.08/x
  3. Step 3: Cross multiply
    75,372.28x = 113,058.30 × 28,625.08
  4. Step 4: Simplify right side
    75,372.28x = 3,236,302,882.16
  5. Step 5: Solve for x
    x = 3,236,302,882.16/75,372.28
  6. Step 6: Final answer
    x = 42,937.57

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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.