Home / 54,335.48-74,983.08-31,672.76

Finding the Fourth Proportional to 54,335.48, 74,983.08 and 31,672.76

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Solution

The fourth proportional to 54,335.48, 74,983.08 and 31,672.76 is: 43,708.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,335.48 : 74,983.08 = 31,672.76 : x
  2. Step 2: Convert to fraction form
    54,335.48/74,983.08 = 31,672.76/x
  3. Step 3: Cross multiply
    54,335.48x = 74,983.08 × 31,672.76
  4. Step 4: Simplify right side
    54,335.48x = 2,374,921,096.90
  5. Step 5: Solve for x
    x = 2,374,921,096.90/54,335.48
  6. Step 6: Final answer
    x = 43,708.48

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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.