Home / 108,808.11-163,180.58-45,626.59

Finding the Fourth Proportional to 108,808.11, 163,180.58 and 45,626.59

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Solution

The fourth proportional to 108,808.11, 163,180.58 and 45,626.59 is: 68,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,808.11 : 163,180.58 = 45,626.59 : x
  2. Step 2: Convert to fraction form
    108,808.11/163,180.58 = 45,626.59/x
  3. Step 3: Cross multiply
    108,808.11x = 163,180.58 × 45,626.59
  4. Step 4: Simplify right side
    108,808.11x = 7,445,373,395.46
  5. Step 5: Solve for x
    x = 7,445,373,395.46/108,808.11
  6. Step 6: Final answer
    x = 68,426.64

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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.