Home / 109,725.13-164,587.76-26,619.13

Finding the Fourth Proportional to 109,725.13, 164,587.76 and 26,619.13

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Solution

The fourth proportional to 109,725.13, 164,587.76 and 26,619.13 is: 39,928.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,725.13 : 164,587.76 = 26,619.13 : x
  2. Step 2: Convert to fraction form
    109,725.13/164,587.76 = 26,619.13/x
  3. Step 3: Cross multiply
    109,725.13x = 164,587.76 × 26,619.13
  4. Step 4: Simplify right side
    109,725.13x = 4,381,182,979.85
  5. Step 5: Solve for x
    x = 4,381,182,979.85/109,725.13
  6. Step 6: Final answer
    x = 39,928.71

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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.