Home / 107,818.98-161,739.54-41,315.28

Finding the Fourth Proportional to 107,818.98, 161,739.54 and 41,315.28

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Solution

The fourth proportional to 107,818.98, 161,739.54 and 41,315.28 is: 61,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,818.98 : 161,739.54 = 41,315.28 : x
  2. Step 2: Convert to fraction form
    107,818.98/161,739.54 = 41,315.28/x
  3. Step 3: Cross multiply
    107,818.98x = 161,739.54 × 41,315.28
  4. Step 4: Simplify right side
    107,818.98x = 6,682,314,382.17
  5. Step 5: Solve for x
    x = 6,682,314,382.17/107,818.98
  6. Step 6: Final answer
    x = 61,977.16

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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.