Home / 53,578.66-80,371.32-14,135.81

Finding the Fourth Proportional to 53,578.66, 80,371.32 and 14,135.81

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Solution

The fourth proportional to 53,578.66, 80,371.32 and 14,135.81 is: 21,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,578.66 : 80,371.32 = 14,135.81 : x
  2. Step 2: Convert to fraction form
    53,578.66/80,371.32 = 14,135.81/x
  3. Step 3: Cross multiply
    53,578.66x = 80,371.32 × 14,135.81
  4. Step 4: Simplify right side
    53,578.66x = 1,136,113,708.97
  5. Step 5: Solve for x
    x = 1,136,113,708.97/53,578.66
  6. Step 6: Final answer
    x = 21,204.59

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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.