Home / 53,865.81-74,333.70-29,991.06

Finding the Fourth Proportional to 53,865.81, 74,333.70 and 29,991.06

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Solution

The fourth proportional to 53,865.81, 74,333.70 and 29,991.06 is: 41,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,865.81 : 74,333.70 = 29,991.06 : x
  2. Step 2: Convert to fraction form
    53,865.81/74,333.70 = 29,991.06/x
  3. Step 3: Cross multiply
    53,865.81x = 74,333.70 × 29,991.06
  4. Step 4: Simplify right side
    53,865.81x = 2,229,346,456.72
  5. Step 5: Solve for x
    x = 2,229,346,456.72/53,865.81
  6. Step 6: Final answer
    x = 41,387.04

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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.