Home / 75,465.69-104,144.66-41,475.15

Finding the Fourth Proportional to 75,465.69, 104,144.66 and 41,475.15

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Solution

The fourth proportional to 75,465.69, 104,144.66 and 41,475.15 is: 57,236.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,465.69 : 104,144.66 = 41,475.15 : x
  2. Step 2: Convert to fraction form
    75,465.69/104,144.66 = 41,475.15/x
  3. Step 3: Cross multiply
    75,465.69x = 104,144.66 × 41,475.15
  4. Step 4: Simplify right side
    75,465.69x = 4,319,415,395.20
  5. Step 5: Solve for x
    x = 4,319,415,395.20/75,465.69
  6. Step 6: Final answer
    x = 57,236.81

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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.