Home / 108,699.46-163,083.14-48,778.16

Finding the Fourth Proportional to 108,699.46, 163,083.14 and 48,778.16

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Solution

The fourth proportional to 108,699.46, 163,083.14 and 48,778.16 is: 73,182.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,699.46 : 163,083.14 = 48,778.16 : x
  2. Step 2: Convert to fraction form
    108,699.46/163,083.14 = 48,778.16/x
  3. Step 3: Cross multiply
    108,699.46x = 163,083.14 × 48,778.16
  4. Step 4: Simplify right side
    108,699.46x = 7,954,895,660.04
  5. Step 5: Solve for x
    x = 7,954,895,660.04/108,699.46
  6. Step 6: Final answer
    x = 73,182.48

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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.