Home / 103,943.74-143,441.67-58,622.12

Finding the Fourth Proportional to 103,943.74, 143,441.67 and 58,622.12

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Solution

The fourth proportional to 103,943.74, 143,441.67 and 58,622.12 is: 80,898.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,943.74 : 143,441.67 = 58,622.12 : x
  2. Step 2: Convert to fraction form
    103,943.74/143,441.67 = 58,622.12/x
  3. Step 3: Cross multiply
    103,943.74x = 143,441.67 × 58,622.12
  4. Step 4: Simplify right side
    103,943.74x = 8,408,853,781.42
  5. Step 5: Solve for x
    x = 8,408,853,781.42/103,943.74
  6. Step 6: Final answer
    x = 80,898.13

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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.