Home / 53,779.92-74,218.31-29,908.28

Finding the Fourth Proportional to 53,779.92, 74,218.31 and 29,908.28

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Solution

The fourth proportional to 53,779.92, 74,218.31 and 29,908.28 is: 41,274.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,779.92 : 74,218.31 = 29,908.28 : x
  2. Step 2: Convert to fraction form
    53,779.92/74,218.31 = 29,908.28/x
  3. Step 3: Cross multiply
    53,779.92x = 74,218.31 × 29,908.28
  4. Step 4: Simplify right side
    53,779.92x = 2,219,741,475.97
  5. Step 5: Solve for x
    x = 2,219,741,475.97/53,779.92
  6. Step 6: Final answer
    x = 41,274.54

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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.