Home / 103,722.22-143,124.83-58,399.03

Finding the Fourth Proportional to 103,722.22, 143,124.83 and 58,399.03

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Solution

The fourth proportional to 103,722.22, 143,124.83 and 58,399.03 is: 80,584.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,722.22 : 143,124.83 = 58,399.03 : x
  2. Step 2: Convert to fraction form
    103,722.22/143,124.83 = 58,399.03/x
  3. Step 3: Cross multiply
    103,722.22x = 143,124.83 × 58,399.03
  4. Step 4: Simplify right side
    103,722.22x = 8,358,351,240.91
  5. Step 5: Solve for x
    x = 8,358,351,240.91/103,722.22
  6. Step 6: Final answer
    x = 80,584.00

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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.