Home / 53,749.62-74,175.36-29,551.61

Finding the Fourth Proportional to 53,749.62, 74,175.36 and 29,551.61

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Solution

The fourth proportional to 53,749.62, 74,175.36 and 29,551.61 is: 40,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,749.62 : 74,175.36 = 29,551.61 : x
  2. Step 2: Convert to fraction form
    53,749.62/74,175.36 = 29,551.61/x
  3. Step 3: Cross multiply
    53,749.62x = 74,175.36 × 29,551.61
  4. Step 4: Simplify right side
    53,749.62x = 2,192,000,828.63
  5. Step 5: Solve for x
    x = 2,192,000,828.63/53,749.62
  6. Step 6: Final answer
    x = 40,781.70

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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.