Home / 46,781.36-70,189.50-28,074.82

Finding the Fourth Proportional to 46,781.36, 70,189.50 and 28,074.82

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Solution

The fourth proportional to 46,781.36, 70,189.50 and 28,074.82 is: 42,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,781.36 : 70,189.50 = 28,074.82 : x
  2. Step 2: Convert to fraction form
    46,781.36/70,189.50 = 28,074.82/x
  3. Step 3: Cross multiply
    46,781.36x = 70,189.50 × 28,074.82
  4. Step 4: Simplify right side
    46,781.36x = 1,970,557,578.39
  5. Step 5: Solve for x
    x = 1,970,557,578.39/46,781.36
  6. Step 6: Final answer
    x = 42,122.71

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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.