Home / 108,769.92-163,148.28-64,677.25

Finding the Fourth Proportional to 108,769.92, 163,148.28 and 64,677.25

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Solution

The fourth proportional to 108,769.92, 163,148.28 and 64,677.25 is: 97,011.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,769.92 : 163,148.28 = 64,677.25 : x
  2. Step 2: Convert to fraction form
    108,769.92/163,148.28 = 64,677.25/x
  3. Step 3: Cross multiply
    108,769.92x = 163,148.28 × 64,677.25
  4. Step 4: Simplify right side
    108,769.92x = 10,551,982,092.63
  5. Step 5: Solve for x
    x = 10,551,982,092.63/108,769.92
  6. Step 6: Final answer
    x = 97,011.95

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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.