Home / 68,131.52-94,031.43-40,909.44

Finding the Fourth Proportional to 68,131.52, 94,031.43 and 40,909.44

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Solution

The fourth proportional to 68,131.52, 94,031.43 and 40,909.44 is: 56,461.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,131.52 : 94,031.43 = 40,909.44 : x
  2. Step 2: Convert to fraction form
    68,131.52/94,031.43 = 40,909.44/x
  3. Step 3: Cross multiply
    68,131.52x = 94,031.43 × 40,909.44
  4. Step 4: Simplify right side
    68,131.52x = 3,846,773,143.70
  5. Step 5: Solve for x
    x = 3,846,773,143.70/68,131.52
  6. Step 6: Final answer
    x = 56,461.00

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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.