Home / 75,776.43-104,569.19-41,784.90

Finding the Fourth Proportional to 75,776.43, 104,569.19 and 41,784.90

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Solution

The fourth proportional to 75,776.43, 104,569.19 and 41,784.90 is: 57,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,776.43 : 104,569.19 = 41,784.90 : x
  2. Step 2: Convert to fraction form
    75,776.43/104,569.19 = 41,784.90/x
  3. Step 3: Cross multiply
    75,776.43x = 104,569.19 × 41,784.90
  4. Step 4: Simplify right side
    75,776.43x = 4,369,412,938.31
  5. Step 5: Solve for x
    x = 4,369,412,938.31/75,776.43
  6. Step 6: Final answer
    x = 57,661.90

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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.