Home / 109,077.91-163,449.88-73,407.26

Finding the Fourth Proportional to 109,077.91, 163,449.88 and 73,407.26

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Solution

The fourth proportional to 109,077.91, 163,449.88 and 73,407.26 is: 109,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,077.91 : 163,449.88 = 73,407.26 : x
  2. Step 2: Convert to fraction form
    109,077.91/163,449.88 = 73,407.26/x
  3. Step 3: Cross multiply
    109,077.91x = 163,449.88 × 73,407.26
  4. Step 4: Simplify right side
    109,077.91x = 11,998,407,725.58
  5. Step 5: Solve for x
    x = 11,998,407,725.58/109,077.91
  6. Step 6: Final answer
    x = 109,998.51

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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.