Home / 54,345.17-74,961.82-39,260.00

Finding the Fourth Proportional to 54,345.17, 74,961.82 and 39,260.00

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Solution

The fourth proportional to 54,345.17, 74,961.82 and 39,260.00 is: 54,153.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,345.17 : 74,961.82 = 39,260.00 : x
  2. Step 2: Convert to fraction form
    54,345.17/74,961.82 = 39,260.00/x
  3. Step 3: Cross multiply
    54,345.17x = 74,961.82 × 39,260.00
  4. Step 4: Simplify right side
    54,345.17x = 2,943,001,289.68
  5. Step 5: Solve for x
    x = 2,943,001,289.68/54,345.17
  6. Step 6: Final answer
    x = 54,153.87

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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.