Home / 75,233.36-103,821.36-41,243.78

Finding the Fourth Proportional to 75,233.36, 103,821.36 and 41,243.78

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Solution

The fourth proportional to 75,233.36, 103,821.36 and 41,243.78 is: 56,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,233.36 : 103,821.36 = 41,243.78 : x
  2. Step 2: Convert to fraction form
    75,233.36/103,821.36 = 41,243.78/x
  3. Step 3: Cross multiply
    75,233.36x = 103,821.36 × 41,243.78
  4. Step 4: Simplify right side
    75,233.36x = 4,281,985,331.14
  5. Step 5: Solve for x
    x = 4,281,985,331.14/75,233.36
  6. Step 6: Final answer
    x = 56,916.05

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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.