Home / 104,031.90-143,563.44-58,724.61

Finding the Fourth Proportional to 104,031.90, 143,563.44 and 58,724.61

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Solution

The fourth proportional to 104,031.90, 143,563.44 and 58,724.61 is: 81,039.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,031.90 : 143,563.44 = 58,724.61 : x
  2. Step 2: Convert to fraction form
    104,031.90/143,563.44 = 58,724.61/x
  3. Step 3: Cross multiply
    104,031.90x = 143,563.44 × 58,724.61
  4. Step 4: Simplify right side
    104,031.90x = 8,430,707,024.26
  5. Step 5: Solve for x
    x = 8,430,707,024.26/104,031.90
  6. Step 6: Final answer
    x = 81,039.63

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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.