Home / 104,580.20-144,321.59-56,833.54

Finding the Fourth Proportional to 104,580.20, 144,321.59 and 56,833.54

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Solution

The fourth proportional to 104,580.20, 144,321.59 and 56,833.54 is: 78,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,580.20 : 144,321.59 = 56,833.54 : x
  2. Step 2: Convert to fraction form
    104,580.20/144,321.59 = 56,833.54/x
  3. Step 3: Cross multiply
    104,580.20x = 144,321.59 × 56,833.54
  4. Step 4: Simplify right side
    104,580.20x = 8,202,306,213.16
  5. Step 5: Solve for x
    x = 8,202,306,213.16/104,580.20
  6. Step 6: Final answer
    x = 78,430.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.