Home / 52,039.97-78,035.63-18,755.66

Finding the Fourth Proportional to 52,039.97, 78,035.63 and 18,755.66

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Solution

The fourth proportional to 52,039.97, 78,035.63 and 18,755.66 is: 28,124.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,039.97 : 78,035.63 = 18,755.66 : x
  2. Step 2: Convert to fraction form
    52,039.97/78,035.63 = 18,755.66/x
  3. Step 3: Cross multiply
    52,039.97x = 78,035.63 × 18,755.66
  4. Step 4: Simplify right side
    52,039.97x = 1,463,609,260.21
  5. Step 5: Solve for x
    x = 1,463,609,260.21/52,039.97
  6. Step 6: Final answer
    x = 28,124.71

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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.