Home / 111,805.19-167,761.58-55,650.21

Finding the Fourth Proportional to 111,805.19, 167,761.58 and 55,650.21

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Solution

The fourth proportional to 111,805.19, 167,761.58 and 55,650.21 is: 83,502.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,805.19 : 167,761.58 = 55,650.21 : x
  2. Step 2: Convert to fraction form
    111,805.19/167,761.58 = 55,650.21/x
  3. Step 3: Cross multiply
    111,805.19x = 167,761.58 × 55,650.21
  4. Step 4: Simplify right side
    111,805.19x = 9,335,966,562.61
  5. Step 5: Solve for x
    x = 9,335,966,562.61/111,805.19
  6. Step 6: Final answer
    x = 83,502.08

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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.