Home / 73,058.76-109,592.19-20,472.35

Finding the Fourth Proportional to 73,058.76, 109,592.19 and 20,472.35

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Solution

The fourth proportional to 73,058.76, 109,592.19 and 20,472.35 is: 30,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,058.76 : 109,592.19 = 20,472.35 : x
  2. Step 2: Convert to fraction form
    73,058.76/109,592.19 = 20,472.35/x
  3. Step 3: Cross multiply
    73,058.76x = 109,592.19 × 20,472.35
  4. Step 4: Simplify right side
    73,058.76x = 2,243,609,122.99
  5. Step 5: Solve for x
    x = 2,243,609,122.99/73,058.76
  6. Step 6: Final answer
    x = 30,709.65

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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.