Home / 109,961.98-164,569.11-67,868.68

Finding the Fourth Proportional to 109,961.98, 164,569.11 and 67,868.68

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Solution

The fourth proportional to 109,961.98, 164,569.11 and 67,868.68 is: 101,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,961.98 : 164,569.11 = 67,868.68 : x
  2. Step 2: Convert to fraction form
    109,961.98/164,569.11 = 67,868.68/x
  3. Step 3: Cross multiply
    109,961.98x = 164,569.11 × 67,868.68
  4. Step 4: Simplify right side
    109,961.98x = 11,169,088,264.47
  5. Step 5: Solve for x
    x = 11,169,088,264.47/109,961.98
  6. Step 6: Final answer
    x = 101,572.27

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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.