Home / 108,806.16-163,239.72-38,692.56

Finding the Fourth Proportional to 108,806.16, 163,239.72 and 38,692.56

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Solution

The fourth proportional to 108,806.16, 163,239.72 and 38,692.56 is: 58,049.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,806.16 : 163,239.72 = 38,692.56 : x
  2. Step 2: Convert to fraction form
    108,806.16/163,239.72 = 38,692.56/x
  3. Step 3: Cross multiply
    108,806.16x = 163,239.72 × 38,692.56
  4. Step 4: Simplify right side
    108,806.16x = 6,316,162,660.48
  5. Step 5: Solve for x
    x = 6,316,162,660.48/108,806.16
  6. Step 6: Final answer
    x = 58,049.68

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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.