Home / 53,630.62-74,009.12-29,756.78

Finding the Fourth Proportional to 53,630.62, 74,009.12 and 29,756.78

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Solution

The fourth proportional to 53,630.62, 74,009.12 and 29,756.78 is: 41,063.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,630.62 : 74,009.12 = 29,756.78 : x
  2. Step 2: Convert to fraction form
    53,630.62/74,009.12 = 29,756.78/x
  3. Step 3: Cross multiply
    53,630.62x = 74,009.12 × 29,756.78
  4. Step 4: Simplify right side
    53,630.62x = 2,202,273,101.83
  5. Step 5: Solve for x
    x = 2,202,273,101.83/53,630.62
  6. Step 6: Final answer
    x = 41,063.73

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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.