Home / 103,568.40-142,923.03-58,246.37

Finding the Fourth Proportional to 103,568.40, 142,923.03 and 58,246.37

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Solution

The fourth proportional to 103,568.40, 142,923.03 and 58,246.37 is: 80,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,568.40 : 142,923.03 = 58,246.37 : x
  2. Step 2: Convert to fraction form
    103,568.40/142,923.03 = 58,246.37/x
  3. Step 3: Cross multiply
    103,568.40x = 142,923.03 × 58,246.37
  4. Step 4: Simplify right side
    103,568.40x = 8,324,746,972.29
  5. Step 5: Solve for x
    x = 8,324,746,972.29/103,568.40
  6. Step 6: Final answer
    x = 80,379.22

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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.