Home / 104,750.15-144,550.92-57,003.53

Finding the Fourth Proportional to 104,750.15, 144,550.92 and 57,003.53

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Solution

The fourth proportional to 104,750.15, 144,550.92 and 57,003.53 is: 78,662.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,750.15 : 144,550.92 = 57,003.53 : x
  2. Step 2: Convert to fraction form
    104,750.15/144,550.92 = 57,003.53/x
  3. Step 3: Cross multiply
    104,750.15x = 144,550.92 × 57,003.53
  4. Step 4: Simplify right side
    104,750.15x = 8,239,911,981.99
  5. Step 5: Solve for x
    x = 8,239,911,981.99/104,750.15
  6. Step 6: Final answer
    x = 78,662.54

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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.