Home / 57,645.38-79,568.39-33,779.81

Finding the Fourth Proportional to 57,645.38, 79,568.39 and 33,779.81

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Solution

The fourth proportional to 57,645.38, 79,568.39 and 33,779.81 is: 46,626.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,645.38 : 79,568.39 = 33,779.81 : x
  2. Step 2: Convert to fraction form
    57,645.38/79,568.39 = 33,779.81/x
  3. Step 3: Cross multiply
    57,645.38x = 79,568.39 × 33,779.81
  4. Step 4: Simplify right side
    57,645.38x = 2,687,805,096.21
  5. Step 5: Solve for x
    x = 2,687,805,096.21/57,645.38
  6. Step 6: Final answer
    x = 46,626.55

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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.