Home / 103,568.12-142,922.64-58,246.09

Finding the Fourth Proportional to 103,568.12, 142,922.64 and 58,246.09

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Solution

The fourth proportional to 103,568.12, 142,922.64 and 58,246.09 is: 80,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,568.12 : 142,922.64 = 58,246.09 : x
  2. Step 2: Convert to fraction form
    103,568.12/142,922.64 = 58,246.09/x
  3. Step 3: Cross multiply
    103,568.12x = 142,922.64 × 58,246.09
  4. Step 4: Simplify right side
    103,568.12x = 8,324,684,952.48
  5. Step 5: Solve for x
    x = 8,324,684,952.48/103,568.12
  6. Step 6: Final answer
    x = 80,378.84

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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.