Home / 109,118.43-150,581.95-61,371.76

Finding the Fourth Proportional to 109,118.43, 150,581.95 and 61,371.76

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Solution

The fourth proportional to 109,118.43, 150,581.95 and 61,371.76 is: 84,692.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,118.43 : 150,581.95 = 61,371.76 : x
  2. Step 2: Convert to fraction form
    109,118.43/150,581.95 = 61,371.76/x
  3. Step 3: Cross multiply
    109,118.43x = 150,581.95 × 61,371.76
  4. Step 4: Simplify right side
    109,118.43x = 9,241,479,295.73
  5. Step 5: Solve for x
    x = 9,241,479,295.73/109,118.43
  6. Step 6: Final answer
    x = 84,692.19

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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.