Home / 53,654.52-74,039.76-29,781.20

Finding the Fourth Proportional to 53,654.52, 74,039.76 and 29,781.20

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Solution

The fourth proportional to 53,654.52, 74,039.76 and 29,781.20 is: 41,096.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,654.52 : 74,039.76 = 29,781.20 : x
  2. Step 2: Convert to fraction form
    53,654.52/74,039.76 = 29,781.20/x
  3. Step 3: Cross multiply
    53,654.52x = 74,039.76 × 29,781.20
  4. Step 4: Simplify right side
    53,654.52x = 2,204,992,900.51
  5. Step 5: Solve for x
    x = 2,204,992,900.51/53,654.52
  6. Step 6: Final answer
    x = 41,096.13

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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.