Home / 68,615.43-94,690.25-38,402.02

Finding the Fourth Proportional to 68,615.43, 94,690.25 and 38,402.02

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Solution

The fourth proportional to 68,615.43, 94,690.25 and 38,402.02 is: 52,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,615.43 : 94,690.25 = 38,402.02 : x
  2. Step 2: Convert to fraction form
    68,615.43/94,690.25 = 38,402.02/x
  3. Step 3: Cross multiply
    68,615.43x = 94,690.25 × 38,402.02
  4. Step 4: Simplify right side
    68,615.43x = 3,636,296,874.31
  5. Step 5: Solve for x
    x = 3,636,296,874.31/68,615.43
  6. Step 6: Final answer
    x = 52,995.32

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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.