Home / 75,132.14-103,683.97-41,142.06

Finding the Fourth Proportional to 75,132.14, 103,683.97 and 41,142.06

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Solution

The fourth proportional to 75,132.14, 103,683.97 and 41,142.06 is: 56,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,132.14 : 103,683.97 = 41,142.06 : x
  2. Step 2: Convert to fraction form
    75,132.14/103,683.97 = 41,142.06/x
  3. Step 3: Cross multiply
    75,132.14x = 103,683.97 × 41,142.06
  4. Step 4: Simplify right side
    75,132.14x = 4,265,772,114.78
  5. Step 5: Solve for x
    x = 4,265,772,114.78/75,132.14
  6. Step 6: Final answer
    x = 56,776.93

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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.