Home / 104,575.06-156,774.43-45,366.09

Finding the Fourth Proportional to 104,575.06, 156,774.43 and 45,366.09

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Solution

The fourth proportional to 104,575.06, 156,774.43 and 45,366.09 is: 68,010.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,575.06 : 156,774.43 = 45,366.09 : x
  2. Step 2: Convert to fraction form
    104,575.06/156,774.43 = 45,366.09/x
  3. Step 3: Cross multiply
    104,575.06x = 156,774.43 × 45,366.09
  4. Step 4: Simplify right side
    104,575.06x = 7,112,242,901.08
  5. Step 5: Solve for x
    x = 7,112,242,901.08/104,575.06
  6. Step 6: Final answer
    x = 68,010.89

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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.