Home / 75,864.96-104,669.28-42,324.48

Finding the Fourth Proportional to 75,864.96, 104,669.28 and 42,324.48

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Solution

The fourth proportional to 75,864.96, 104,669.28 and 42,324.48 is: 58,394.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,864.96 : 104,669.28 = 42,324.48 : x
  2. Step 2: Convert to fraction form
    75,864.96/104,669.28 = 42,324.48/x
  3. Step 3: Cross multiply
    75,864.96x = 104,669.28 × 42,324.48
  4. Step 4: Simplify right side
    75,864.96x = 4,430,072,847.97
  5. Step 5: Solve for x
    x = 4,430,072,847.97/75,864.96
  6. Step 6: Final answer
    x = 58,394.19

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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.