Home / 104,166.78-143,749.45-58,859.43

Finding the Fourth Proportional to 104,166.78, 143,749.45 and 58,859.43

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Solution

The fourth proportional to 104,166.78, 143,749.45 and 58,859.43 is: 81,225.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,166.78 : 143,749.45 = 58,859.43 : x
  2. Step 2: Convert to fraction form
    104,166.78/143,749.45 = 58,859.43/x
  3. Step 3: Cross multiply
    104,166.78x = 143,749.45 × 58,859.43
  4. Step 4: Simplify right side
    104,166.78x = 8,461,010,689.81
  5. Step 5: Solve for x
    x = 8,461,010,689.81/104,166.78
  6. Step 6: Final answer
    x = 81,225.61

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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.