Home / 53,180.10-73,388.19-29,306.79

Finding the Fourth Proportional to 53,180.10, 73,388.19 and 29,306.79

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Solution

The fourth proportional to 53,180.10, 73,388.19 and 29,306.79 is: 40,443.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180.10 : 73,388.19 = 29,306.79 : x
  2. Step 2: Convert to fraction form
    53,180.10/73,388.19 = 29,306.79/x
  3. Step 3: Cross multiply
    53,180.10x = 73,388.19 × 29,306.79
  4. Step 4: Simplify right side
    53,180.10x = 2,150,772,272.81
  5. Step 5: Solve for x
    x = 2,150,772,272.81/53,180.10
  6. Step 6: Final answer
    x = 40,443.18

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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.