Home / 108,084.27-161,843.47-76,322.66

Finding the Fourth Proportional to 108,084.27, 161,843.47 and 76,322.66

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Solution

The fourth proportional to 108,084.27, 161,843.47 and 76,322.66 is: 114,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,084.27 : 161,843.47 = 76,322.66 : x
  2. Step 2: Convert to fraction form
    108,084.27/161,843.47 = 76,322.66/x
  3. Step 3: Cross multiply
    108,084.27x = 161,843.47 × 76,322.66
  4. Step 4: Simplify right side
    108,084.27x = 12,352,323,134.01
  5. Step 5: Solve for x
    x = 12,352,323,134.01/108,084.27
  6. Step 6: Final answer
    x = 114,284.18

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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.