Home / 57,289.86-79,042.28-33,399.62

Finding the Fourth Proportional to 57,289.86, 79,042.28 and 33,399.62

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Solution

The fourth proportional to 57,289.86, 79,042.28 and 33,399.62 is: 46,081.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,289.86 : 79,042.28 = 33,399.62 : x
  2. Step 2: Convert to fraction form
    57,289.86/79,042.28 = 33,399.62/x
  3. Step 3: Cross multiply
    57,289.86x = 79,042.28 × 33,399.62
  4. Step 4: Simplify right side
    57,289.86x = 2,639,982,115.93
  5. Step 5: Solve for x
    x = 2,639,982,115.93/57,289.86
  6. Step 6: Final answer
    x = 46,081.14

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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.