Home / 104,004.77-143,518.42-58,693.78

Finding the Fourth Proportional to 104,004.77, 143,518.42 and 58,693.78

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Solution

The fourth proportional to 104,004.77, 143,518.42 and 58,693.78 is: 80,992.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,004.77 : 143,518.42 = 58,693.78 : x
  2. Step 2: Convert to fraction form
    104,004.77/143,518.42 = 58,693.78/x
  3. Step 3: Cross multiply
    104,004.77x = 143,518.42 × 58,693.78
  4. Step 4: Simplify right side
    104,004.77x = 8,423,638,569.43
  5. Step 5: Solve for x
    x = 8,423,638,569.43/104,004.77
  6. Step 6: Final answer
    x = 80,992.81

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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.