Home / 75,134.14-103,686.73-41,144.06

Finding the Fourth Proportional to 75,134.14, 103,686.73 and 41,144.06

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Solution

The fourth proportional to 75,134.14, 103,686.73 and 41,144.06 is: 56,779.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,134.14 : 103,686.73 = 41,144.06 : x
  2. Step 2: Convert to fraction form
    75,134.14/103,686.73 = 41,144.06/x
  3. Step 3: Cross multiply
    75,134.14x = 103,686.73 × 41,144.06
  4. Step 4: Simplify right side
    75,134.14x = 4,266,093,040.32
  5. Step 5: Solve for x
    x = 4,266,093,040.32/75,134.14
  6. Step 6: Final answer
    x = 56,779.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.