Home / 54,591.33-81,755.78-31,146.69

Finding the Fourth Proportional to 54,591.33, 81,755.78 and 31,146.69

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Solution

The fourth proportional to 54,591.33, 81,755.78 and 31,146.69 is: 46,645.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,591.33 : 81,755.78 = 31,146.69 : x
  2. Step 2: Convert to fraction form
    54,591.33/81,755.78 = 31,146.69/x
  3. Step 3: Cross multiply
    54,591.33x = 81,755.78 × 31,146.69
  4. Step 4: Simplify right side
    54,591.33x = 2,546,421,779.63
  5. Step 5: Solve for x
    x = 2,546,421,779.63/54,591.33
  6. Step 6: Final answer
    x = 46,645.17

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1.5x scale

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.