Home / 109,671.44-151,326.78-63,733.15

Finding the Fourth Proportional to 109,671.44, 151,326.78 and 63,733.15

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Solution

The fourth proportional to 109,671.44, 151,326.78 and 63,733.15 is: 87,940.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,671.44 : 151,326.78 = 63,733.15 : x
  2. Step 2: Convert to fraction form
    109,671.44/151,326.78 = 63,733.15/x
  3. Step 3: Cross multiply
    109,671.44x = 151,326.78 × 63,733.15
  4. Step 4: Simplify right side
    109,671.44x = 9,644,531,826.20
  5. Step 5: Solve for x
    x = 9,644,531,826.20/109,671.44
  6. Step 6: Final answer
    x = 87,940.24

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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.