Home / 108,036.35-161,943.75-41,458.61

Finding the Fourth Proportional to 108,036.35, 161,943.75 and 41,458.61

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Solution

The fourth proportional to 108,036.35, 161,943.75 and 41,458.61 is: 62,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,036.35 : 161,943.75 = 41,458.61 : x
  2. Step 2: Convert to fraction form
    108,036.35/161,943.75 = 41,458.61/x
  3. Step 3: Cross multiply
    108,036.35x = 161,943.75 × 41,458.61
  4. Step 4: Simplify right side
    108,036.35x = 6,713,961,963.47
  5. Step 5: Solve for x
    x = 6,713,961,963.47/108,036.35
  6. Step 6: Final answer
    x = 62,145.40

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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.