Home / 122,540.11-183,821.50-47,665.94

Finding the Fourth Proportional to 122,540.11, 183,821.50 and 47,665.94

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Solution

The fourth proportional to 122,540.11, 183,821.50 and 47,665.94 is: 71,503.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,540.11 : 183,821.50 = 47,665.94 : x
  2. Step 2: Convert to fraction form
    122,540.11/183,821.50 = 47,665.94/x
  3. Step 3: Cross multiply
    122,540.11x = 183,821.50 × 47,665.94
  4. Step 4: Simplify right side
    122,540.11x = 8,762,023,730.18
  5. Step 5: Solve for x
    x = 8,762,023,730.18/122,540.11
  6. Step 6: Final answer
    x = 71,503.31

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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.