Home / 69,256.11-104,100.90-45,714.98

Finding the Fourth Proportional to 69,256.11, 104,100.90 and 45,714.98

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Solution

The fourth proportional to 69,256.11, 104,100.90 and 45,714.98 is: 68,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,256.11 : 104,100.90 = 45,714.98 : x
  2. Step 2: Convert to fraction form
    69,256.11/104,100.90 = 45,714.98/x
  3. Step 3: Cross multiply
    69,256.11x = 104,100.90 × 45,714.98
  4. Step 4: Simplify right side
    69,256.11x = 4,758,970,650.30
  5. Step 5: Solve for x
    x = 4,758,970,650.30/69,256.11
  6. Step 6: Final answer
    x = 68,715.53

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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.