Home / 104,564.99-156,759.32-45,356.09

Finding the Fourth Proportional to 104,564.99, 156,759.32 and 45,356.09

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Solution

The fourth proportional to 104,564.99, 156,759.32 and 45,356.09 is: 67,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,564.99 : 156,759.32 = 45,356.09 : x
  2. Step 2: Convert to fraction form
    104,564.99/156,759.32 = 45,356.09/x
  3. Step 3: Cross multiply
    104,564.99x = 156,759.32 × 45,356.09
  4. Step 4: Simplify right side
    104,564.99x = 7,109,988,815.68
  5. Step 5: Solve for x
    x = 7,109,988,815.68/104,564.99
  6. Step 6: Final answer
    x = 67,995.89

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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.