Home / 104,812.24-144,640.67-57,065.17

Finding the Fourth Proportional to 104,812.24, 144,640.67 and 57,065.17

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Solution

The fourth proportional to 104,812.24, 144,640.67 and 57,065.17 is: 78,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,812.24 : 144,640.67 = 57,065.17 : x
  2. Step 2: Convert to fraction form
    104,812.24/144,640.67 = 57,065.17/x
  3. Step 3: Cross multiply
    104,812.24x = 144,640.67 × 57,065.17
  4. Step 4: Simplify right side
    104,812.24x = 8,253,944,422.46
  5. Step 5: Solve for x
    x = 8,253,944,422.46/104,812.24
  6. Step 6: Final answer
    x = 78,749.81

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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.