Home / 103,636.09-155,398.77-37,039.90

Finding the Fourth Proportional to 103,636.09, 155,398.77 and 37,039.90

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Solution

The fourth proportional to 103,636.09, 155,398.77 and 37,039.90 is: 55,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,636.09 : 155,398.77 = 37,039.90 : x
  2. Step 2: Convert to fraction form
    103,636.09/155,398.77 = 37,039.90/x
  3. Step 3: Cross multiply
    103,636.09x = 155,398.77 × 37,039.90
  4. Step 4: Simplify right side
    103,636.09x = 5,755,954,900.92
  5. Step 5: Solve for x
    x = 5,755,954,900.92/103,636.09
  6. Step 6: Final answer
    x = 55,540.06

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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.