Home / 57,276.16-79,040.86-31,786.41

Finding the Fourth Proportional to 57,276.16, 79,040.86 and 31,786.41

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Solution

The fourth proportional to 57,276.16, 79,040.86 and 31,786.41 is: 43,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,276.16 : 79,040.86 = 31,786.41 : x
  2. Step 2: Convert to fraction form
    57,276.16/79,040.86 = 31,786.41/x
  3. Step 3: Cross multiply
    57,276.16x = 79,040.86 × 31,786.41
  4. Step 4: Simplify right side
    57,276.16x = 2,512,425,182.71
  5. Step 5: Solve for x
    x = 2,512,425,182.71/57,276.16
  6. Step 6: Final answer
    x = 43,865.11

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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.