Home / 123,423.06-185,135.20-29,928.81

Finding the Fourth Proportional to 123,423.06, 185,135.20 and 29,928.81

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Solution

The fourth proportional to 123,423.06, 185,135.20 and 29,928.81 is: 44,893.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,423.06 : 185,135.20 = 29,928.81 : x
  2. Step 2: Convert to fraction form
    123,423.06/185,135.20 = 29,928.81/x
  3. Step 3: Cross multiply
    123,423.06x = 185,135.20 × 29,928.81
  4. Step 4: Simplify right side
    123,423.06x = 5,540,876,225.11
  5. Step 5: Solve for x
    x = 5,540,876,225.11/123,423.06
  6. Step 6: Final answer
    x = 44,893.36

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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.