Home / 94,718.40-142,231.20-68,606.40

Finding the Fourth Proportional to 94,718.40, 142,231.20 and 68,606.40

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Solution

The fourth proportional to 94,718.40, 142,231.20 and 68,606.40 is: 103,020.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,718.40 : 142,231.20 = 68,606.40 : x
  2. Step 2: Convert to fraction form
    94,718.40/142,231.20 = 68,606.40/x
  3. Step 3: Cross multiply
    94,718.40x = 142,231.20 × 68,606.40
  4. Step 4: Simplify right side
    94,718.40x = 9,757,970,599.68
  5. Step 5: Solve for x
    x = 9,757,970,599.68/94,718.40
  6. Step 6: Final answer
    x = 103,020.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.