Home / 68,195.36-94,102.88-37,979.66

Finding the Fourth Proportional to 68,195.36, 94,102.88 and 37,979.66

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Solution

The fourth proportional to 68,195.36, 94,102.88 and 37,979.66 is: 52,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,195.36 : 94,102.88 = 37,979.66 : x
  2. Step 2: Convert to fraction form
    68,195.36/94,102.88 = 37,979.66/x
  3. Step 3: Cross multiply
    68,195.36x = 94,102.88 × 37,979.66
  4. Step 4: Simplify right side
    68,195.36x = 3,573,995,387.42
  5. Step 5: Solve for x
    x = 3,573,995,387.42/68,195.36
  6. Step 6: Final answer
    x = 52,408.19

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1.5x scale

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.