Home / 68,358.52-94,334.63-38,142.02

Finding the Fourth Proportional to 68,358.52, 94,334.63 and 38,142.02

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Solution

The fourth proportional to 68,358.52, 94,334.63 and 38,142.02 is: 52,635.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,358.52 : 94,334.63 = 38,142.02 : x
  2. Step 2: Convert to fraction form
    68,358.52/94,334.63 = 38,142.02/x
  3. Step 3: Cross multiply
    68,358.52x = 94,334.63 × 38,142.02
  4. Step 4: Simplify right side
    68,358.52x = 3,598,113,344.15
  5. Step 5: Solve for x
    x = 3,598,113,344.15/68,358.52
  6. Step 6: Final answer
    x = 52,635.92

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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.