Home / 104,564.98-156,759.30-45,356.08

Finding the Fourth Proportional to 104,564.98, 156,759.30 and 45,356.08

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Solution

The fourth proportional to 104,564.98, 156,759.30 and 45,356.08 is: 67,995.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,564.98 : 156,759.30 = 45,356.08 : x
  2. Step 2: Convert to fraction form
    104,564.98/156,759.30 = 45,356.08/x
  3. Step 3: Cross multiply
    104,564.98x = 156,759.30 × 45,356.08
  4. Step 4: Simplify right side
    104,564.98x = 7,109,987,351.54
  5. Step 5: Solve for x
    x = 7,109,987,351.54/104,564.98
  6. Step 6: Final answer
    x = 67,995.88

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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.