Home / 104,997.18-157,467.69-71,711.58

Finding the Fourth Proportional to 104,997.18, 157,467.69 and 71,711.58

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Solution

The fourth proportional to 104,997.18, 157,467.69 and 71,711.58 is: 107,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,997.18 : 157,467.69 = 71,711.58 : x
  2. Step 2: Convert to fraction form
    104,997.18/157,467.69 = 71,711.58/x
  3. Step 3: Cross multiply
    104,997.18x = 157,467.69 × 71,711.58
  4. Step 4: Simplify right side
    104,997.18x = 11,292,256,848.85
  5. Step 5: Solve for x
    x = 11,292,256,848.85/104,997.18
  6. Step 6: Final answer
    x = 107,548.19

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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.