Home / 104,611.36-156,700.32-51,142.36

Finding the Fourth Proportional to 104,611.36, 156,700.32 and 51,142.36

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Solution

The fourth proportional to 104,611.36, 156,700.32 and 51,142.36 is: 76,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,611.36 : 156,700.32 = 51,142.36 : x
  2. Step 2: Convert to fraction form
    104,611.36/156,700.32 = 51,142.36/x
  3. Step 3: Cross multiply
    104,611.36x = 156,700.32 × 51,142.36
  4. Step 4: Simplify right side
    104,611.36x = 8,014,024,177.56
  5. Step 5: Solve for x
    x = 8,014,024,177.56/104,611.36
  6. Step 6: Final answer
    x = 76,607.59

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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.