Home / 53,305.29-73,561.77-29,433.78

Finding the Fourth Proportional to 53,305.29, 73,561.77 and 29,433.78

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Solution

The fourth proportional to 53,305.29, 73,561.77 and 29,433.78 is: 40,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,305.29 : 73,561.77 = 29,433.78 : x
  2. Step 2: Convert to fraction form
    53,305.29/73,561.77 = 29,433.78/x
  3. Step 3: Cross multiply
    53,305.29x = 73,561.77 × 29,433.78
  4. Step 4: Simplify right side
    53,305.29x = 2,165,200,954.59
  5. Step 5: Solve for x
    x = 2,165,200,954.59/53,305.29
  6. Step 6: Final answer
    x = 40,618.88

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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.