Home / 48,755.31-73,155.60-20,681.97

Finding the Fourth Proportional to 48,755.31, 73,155.60 and 20,681.97

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Solution

The fourth proportional to 48,755.31, 73,155.60 and 20,681.97 is: 31,032.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,755.31 : 73,155.60 = 20,681.97 : x
  2. Step 2: Convert to fraction form
    48,755.31/73,155.60 = 20,681.97/x
  3. Step 3: Cross multiply
    48,755.31x = 73,155.60 × 20,681.97
  4. Step 4: Simplify right side
    48,755.31x = 1,513,001,924.53
  5. Step 5: Solve for x
    x = 1,513,001,924.53/48,755.31
  6. Step 6: Final answer
    x = 31,032.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.