Home / 108,979.25-163,532.05-45,794.39

Finding the Fourth Proportional to 108,979.25, 163,532.05 and 45,794.39

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Solution

The fourth proportional to 108,979.25, 163,532.05 and 45,794.39 is: 68,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,979.25 : 163,532.05 = 45,794.39 : x
  2. Step 2: Convert to fraction form
    108,979.25/163,532.05 = 45,794.39/x
  3. Step 3: Cross multiply
    108,979.25x = 163,532.05 × 45,794.39
  4. Step 4: Simplify right side
    108,979.25x = 7,488,849,543.05
  5. Step 5: Solve for x
    x = 7,488,849,543.05/108,979.25
  6. Step 6: Final answer
    x = 68,718.13

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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.