Home / 104,186.79-143,753.99-58,862.43

Finding the Fourth Proportional to 104,186.79, 143,753.99 and 58,862.43

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Solution

The fourth proportional to 104,186.79, 143,753.99 and 58,862.43 is: 81,216.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,186.79 : 143,753.99 = 58,862.43 : x
  2. Step 2: Convert to fraction form
    104,186.79/143,753.99 = 58,862.43/x
  3. Step 3: Cross multiply
    104,186.79x = 143,753.99 × 58,862.43
  4. Step 4: Simplify right side
    104,186.79x = 8,461,708,879.28
  5. Step 5: Solve for x
    x = 8,461,708,879.28/104,186.79
  6. Step 6: Final answer
    x = 81,216.72

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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.