Home / 103,744.80-143,165.94-58,422.60

Finding the Fourth Proportional to 103,744.80, 143,165.94 and 58,422.60

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Solution

The fourth proportional to 103,744.80, 143,165.94 and 58,422.60 is: 80,622.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,744.80 : 143,165.94 = 58,422.60 : x
  2. Step 2: Convert to fraction form
    103,744.80/143,165.94 = 58,422.60/x
  3. Step 3: Cross multiply
    103,744.80x = 143,165.94 × 58,422.60
  4. Step 4: Simplify right side
    103,744.80x = 8,364,126,446.24
  5. Step 5: Solve for x
    x = 8,364,126,446.24/103,744.80
  6. Step 6: Final answer
    x = 80,622.13

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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.