Home / 87,266.70-130,851.45-37,338.30

Finding the Fourth Proportional to 87,266.70, 130,851.45 and 37,338.30

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Solution

The fourth proportional to 87,266.70, 130,851.45 and 37,338.30 is: 55,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,266.70 : 130,851.45 = 37,338.30 : x
  2. Step 2: Convert to fraction form
    87,266.70/130,851.45 = 37,338.30/x
  3. Step 3: Cross multiply
    87,266.70x = 130,851.45 × 37,338.30
  4. Step 4: Simplify right side
    87,266.70x = 4,885,770,695.54
  5. Step 5: Solve for x
    x = 4,885,770,695.54/87,266.70
  6. Step 6: Final answer
    x = 55,986.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.