Home / 123,896.18-185,872.93-43,929.91

Finding the Fourth Proportional to 123,896.18, 185,872.93 and 43,929.91

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Solution

The fourth proportional to 123,896.18, 185,872.93 and 43,929.91 is: 65,905.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,896.18 : 185,872.93 = 43,929.91 : x
  2. Step 2: Convert to fraction form
    123,896.18/185,872.93 = 43,929.91/x
  3. Step 3: Cross multiply
    123,896.18x = 185,872.93 × 43,929.91
  4. Step 4: Simplify right side
    123,896.18x = 8,165,381,208.85
  5. Step 5: Solve for x
    x = 8,165,381,208.85/123,896.18
  6. Step 6: Final answer
    x = 65,905.03

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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.