Home / 83,651.40-125,366.34-61,360.41

Finding the Fourth Proportional to 83,651.40, 125,366.34 and 61,360.41

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Solution

The fourth proportional to 83,651.40, 125,366.34 and 61,360.41 is: 91,959.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,651.40 : 125,366.34 = 61,360.41 : x
  2. Step 2: Convert to fraction form
    83,651.40/125,366.34 = 61,360.41/x
  3. Step 3: Cross multiply
    83,651.40x = 125,366.34 × 61,360.41
  4. Step 4: Simplify right side
    83,651.40x = 7,692,530,022.60
  5. Step 5: Solve for x
    x = 7,692,530,022.60/83,651.40
  6. Step 6: Final answer
    x = 91,959.37

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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.