Home / 122,512.68-183,522.90-55,861.11

Finding the Fourth Proportional to 122,512.68, 183,522.90 and 55,861.11

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Solution

The fourth proportional to 122,512.68, 183,522.90 and 55,861.11 is: 83,679.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,512.68 : 183,522.90 = 55,861.11 : x
  2. Step 2: Convert to fraction form
    122,512.68/183,522.90 = 55,861.11/x
  3. Step 3: Cross multiply
    122,512.68x = 183,522.90 × 55,861.11
  4. Step 4: Simplify right side
    122,512.68x = 10,251,792,904.42
  5. Step 5: Solve for x
    x = 10,251,792,904.42/122,512.68
  6. Step 6: Final answer
    x = 83,679.44

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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.