Home / 57,275.39-79,044.35-31,786.56

Finding the Fourth Proportional to 57,275.39, 79,044.35 and 31,786.56

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Solution

The fourth proportional to 57,275.39, 79,044.35 and 31,786.56 is: 43,867.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,275.39 : 79,044.35 = 31,786.56 : x
  2. Step 2: Convert to fraction form
    57,275.39/79,044.35 = 31,786.56/x
  3. Step 3: Cross multiply
    57,275.39x = 79,044.35 × 31,786.56
  4. Step 4: Simplify right side
    57,275.39x = 2,512,547,815.00
  5. Step 5: Solve for x
    x = 2,512,547,815.00/57,275.39
  6. Step 6: Final answer
    x = 43,867.84

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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.