Home / 53,115.52-73,299.92-29,242.68

Finding the Fourth Proportional to 53,115.52, 73,299.92 and 29,242.68

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Solution

The fourth proportional to 53,115.52, 73,299.92 and 29,242.68 is: 40,355.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,115.52 : 73,299.92 = 29,242.68 : x
  2. Step 2: Convert to fraction form
    53,115.52/73,299.92 = 29,242.68/x
  3. Step 3: Cross multiply
    53,115.52x = 73,299.92 × 29,242.68
  4. Step 4: Simplify right side
    53,115.52x = 2,143,486,104.59
  5. Step 5: Solve for x
    x = 2,143,486,104.59/53,115.52
  6. Step 6: Final answer
    x = 40,355.17

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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.