Home / 108,942.82-163,331.19-56,318.74

Finding the Fourth Proportional to 108,942.82, 163,331.19 and 56,318.74

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Solution

The fourth proportional to 108,942.82, 163,331.19 and 56,318.74 is: 84,435.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,942.82 : 163,331.19 = 56,318.74 : x
  2. Step 2: Convert to fraction form
    108,942.82/163,331.19 = 56,318.74/x
  3. Step 3: Cross multiply
    108,942.82x = 163,331.19 × 56,318.74
  4. Step 4: Simplify right side
    108,942.82x = 9,198,606,823.50
  5. Step 5: Solve for x
    x = 9,198,606,823.50/108,942.82
  6. Step 6: Final answer
    x = 84,435.18

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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.