Home / 54,302.64-74,947.86-31,644.96

Finding the Fourth Proportional to 54,302.64, 74,947.86 and 31,644.96

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Solution

The fourth proportional to 54,302.64, 74,947.86 and 31,644.96 is: 43,676.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,302.64 : 74,947.86 = 31,644.96 : x
  2. Step 2: Convert to fraction form
    54,302.64/74,947.86 = 31,644.96/x
  3. Step 3: Cross multiply
    54,302.64x = 74,947.86 × 31,644.96
  4. Step 4: Simplify right side
    54,302.64x = 2,371,722,031.79
  5. Step 5: Solve for x
    x = 2,371,722,031.79/54,302.64
  6. Step 6: Final answer
    x = 43,676.00

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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.