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Finding the Fourth Proportional to 75,127.77, 103,676.09 and 41,593.77

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Solution

The fourth proportional to 75,127.77, 103,676.09 and 41,593.77 is: 57,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,127.77 : 103,676.09 = 41,593.77 : x
  2. Step 2: Convert to fraction form
    75,127.77/103,676.09 = 41,593.77/x
  3. Step 3: Cross multiply
    75,127.77x = 103,676.09 × 41,593.77
  4. Step 4: Simplify right side
    75,127.77x = 4,312,279,233.99
  5. Step 5: Solve for x
    x = 4,312,279,233.99/75,127.77
  6. Step 6: Final answer
    x = 57,399.27

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1.5x scale

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.