Home / 57,278.64-79,044.46-32,128.16

Finding the Fourth Proportional to 57,278.64, 79,044.46 and 32,128.16

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Solution

The fourth proportional to 57,278.64, 79,044.46 and 32,128.16 is: 44,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,278.64 : 79,044.46 = 32,128.16 : x
  2. Step 2: Convert to fraction form
    57,278.64/79,044.46 = 32,128.16/x
  3. Step 3: Cross multiply
    57,278.64x = 79,044.46 × 32,128.16
  4. Step 4: Simplify right side
    57,278.64x = 2,539,553,057.99
  5. Step 5: Solve for x
    x = 2,539,553,057.99/57,278.64
  6. Step 6: Final answer
    x = 44,336.83

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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.