Home / 108,802.52-163,105.32-38,665.44

Finding the Fourth Proportional to 108,802.52, 163,105.32 and 38,665.44

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Solution

The fourth proportional to 108,802.52, 163,105.32 and 38,665.44 is: 57,963.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,802.52 : 163,105.32 = 38,665.44 : x
  2. Step 2: Convert to fraction form
    108,802.52/163,105.32 = 38,665.44/x
  3. Step 3: Cross multiply
    108,802.52x = 163,105.32 × 38,665.44
  4. Step 4: Simplify right side
    108,802.52x = 6,306,538,964.14
  5. Step 5: Solve for x
    x = 6,306,538,964.14/108,802.52
  6. Step 6: Final answer
    x = 57,963.17

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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.