Home / 57,319.11-79,138.92-43,866.33

Finding the Fourth Proportional to 57,319.11, 79,138.92 and 43,866.33

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Solution

The fourth proportional to 57,319.11, 79,138.92 and 43,866.33 is: 60,565.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,319.11 : 79,138.92 = 43,866.33 : x
  2. Step 2: Convert to fraction form
    57,319.11/79,138.92 = 43,866.33/x
  3. Step 3: Cross multiply
    57,319.11x = 79,138.92 × 43,866.33
  4. Step 4: Simplify right side
    57,319.11x = 3,471,533,980.56
  5. Step 5: Solve for x
    x = 3,471,533,980.56/57,319.11
  6. Step 6: Final answer
    x = 60,565.04

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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.