Home / 53,143.38-73,341.19-29,270.04

Finding the Fourth Proportional to 53,143.38, 73,341.19 and 29,270.04

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Solution

The fourth proportional to 53,143.38, 73,341.19 and 29,270.04 is: 40,394.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,143.38 : 73,341.19 = 29,270.04 : x
  2. Step 2: Convert to fraction form
    53,143.38/73,341.19 = 29,270.04/x
  3. Step 3: Cross multiply
    53,143.38x = 73,341.19 × 29,270.04
  4. Step 4: Simplify right side
    53,143.38x = 2,146,699,418.60
  5. Step 5: Solve for x
    x = 2,146,699,418.60/53,143.38
  6. Step 6: Final answer
    x = 40,394.49

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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.