Home / 54,164.73-74,755.40-31,517.13

Finding the Fourth Proportional to 54,164.73, 74,755.40 and 31,517.13

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Solution

The fourth proportional to 54,164.73, 74,755.40 and 31,517.13 is: 43,498.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,164.73 : 74,755.40 = 31,517.13 : x
  2. Step 2: Convert to fraction form
    54,164.73/74,755.40 = 31,517.13/x
  3. Step 3: Cross multiply
    54,164.73x = 74,755.40 × 31,517.13
  4. Step 4: Simplify right side
    54,164.73x = 2,356,075,660.00
  5. Step 5: Solve for x
    x = 2,356,075,660.00/54,164.73
  6. Step 6: Final answer
    x = 43,498.34

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1.5x scale

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.