Home / 108,727.92-163,155.06-45,542.45

Finding the Fourth Proportional to 108,727.92, 163,155.06 and 45,542.45

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Solution

The fourth proportional to 108,727.92, 163,155.06 and 45,542.45 is: 68,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,727.92 : 163,155.06 = 45,542.45 : x
  2. Step 2: Convert to fraction form
    108,727.92/163,155.06 = 45,542.45/x
  3. Step 3: Cross multiply
    108,727.92x = 163,155.06 × 45,542.45
  4. Step 4: Simplify right side
    108,727.92x = 7,430,481,570.18
  5. Step 5: Solve for x
    x = 7,430,481,570.18/108,727.92
  6. Step 6: Final answer
    x = 68,340.14

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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.