Home / 137,059.22-205,534.33-52,772.72

Finding the Fourth Proportional to 137,059.22, 205,534.33 and 52,772.72

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Solution

The fourth proportional to 137,059.22, 205,534.33 and 52,772.72 is: 79,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,059.22 : 205,534.33 = 52,772.72 : x
  2. Step 2: Convert to fraction form
    137,059.22/205,534.33 = 52,772.72/x
  3. Step 3: Cross multiply
    137,059.22x = 205,534.33 × 52,772.72
  4. Step 4: Simplify right side
    137,059.22x = 10,846,604,487.87
  5. Step 5: Solve for x
    x = 10,846,604,487.87/137,059.22
  6. Step 6: Final answer
    x = 79,138.09

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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.