Home / 104,649.42-156,972.78-25,764.33

Finding the Fourth Proportional to 104,649.42, 156,972.78 and 25,764.33

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Solution

The fourth proportional to 104,649.42, 156,972.78 and 25,764.33 is: 38,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,649.42 : 156,972.78 = 25,764.33 : x
  2. Step 2: Convert to fraction form
    104,649.42/156,972.78 = 25,764.33/x
  3. Step 3: Cross multiply
    104,649.42x = 156,972.78 × 25,764.33
  4. Step 4: Simplify right side
    104,649.42x = 4,044,298,504.94
  5. Step 5: Solve for x
    x = 4,044,298,504.94/104,649.42
  6. Step 6: Final answer
    x = 38,646.16

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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.