Home / 109,720.72-164,581.08-26,614

Finding the Fourth Proportional to 109,720.72, 164,581.08 and 26,614

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Solution

The fourth proportional to 109,720.72, 164,581.08 and 26,614 is: 39,921

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,720.72 : 164,581.08 = 26,614 : x
  2. Step 2: Convert to fraction form
    109,720.72/164,581.08 = 26,614/x
  3. Step 3: Cross multiply
    109,720.72x = 164,581.08 × 26,614
  4. Step 4: Simplify right side
    109,720.72x = 4,380,160,863.12
  5. Step 5: Solve for x
    x = 4,380,160,863.12/109,720.72
  6. Step 6: Final answer
    x = 39,921

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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.