Home / 75,137.14-103,690.87-41,147.06

Finding the Fourth Proportional to 75,137.14, 103,690.87 and 41,147.06

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Solution

The fourth proportional to 75,137.14, 103,690.87 and 41,147.06 is: 56,783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,137.14 : 103,690.87 = 41,147.06 : x
  2. Step 2: Convert to fraction form
    75,137.14/103,690.87 = 41,147.06/x
  3. Step 3: Cross multiply
    75,137.14x = 103,690.87 × 41,147.06
  4. Step 4: Simplify right side
    75,137.14x = 4,266,574,449.34
  5. Step 5: Solve for x
    x = 4,266,574,449.34/75,137.14
  6. Step 6: Final answer
    x = 56,783.83

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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.