Home / 53,790.88-74,233.20-29,918.56

Finding the Fourth Proportional to 53,790.88, 74,233.20 and 29,918.56

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Solution

The fourth proportional to 53,790.88, 74,233.20 and 29,918.56 is: 41,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,790.88 : 74,233.20 = 29,918.56 : x
  2. Step 2: Convert to fraction form
    53,790.88/74,233.20 = 29,918.56/x
  3. Step 3: Cross multiply
    53,790.88x = 74,233.20 × 29,918.56
  4. Step 4: Simplify right side
    53,790.88x = 2,220,950,448.19
  5. Step 5: Solve for x
    x = 2,220,950,448.19/53,790.88
  6. Step 6: Final answer
    x = 41,288.61

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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.