Home / 120,764.72-181,096.43-45,843.57

Finding the Fourth Proportional to 120,764.72, 181,096.43 and 45,843.57

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Solution

The fourth proportional to 120,764.72, 181,096.43 and 45,843.57 is: 68,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,764.72 : 181,096.43 = 45,843.57 : x
  2. Step 2: Convert to fraction form
    120,764.72/181,096.43 = 45,843.57/x
  3. Step 3: Cross multiply
    120,764.72x = 181,096.43 × 45,843.57
  4. Step 4: Simplify right side
    120,764.72x = 8,302,106,636.24
  5. Step 5: Solve for x
    x = 8,302,106,636.24/120,764.72
  6. Step 6: Final answer
    x = 68,746.12

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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.