Home / 68,508.72-94,543.20-38,294.64

Finding the Fourth Proportional to 68,508.72, 94,543.20 and 38,294.64

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Solution

The fourth proportional to 68,508.72, 94,543.20 and 38,294.64 is: 52,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,508.72 : 94,543.20 = 38,294.64 : x
  2. Step 2: Convert to fraction form
    68,508.72/94,543.20 = 38,294.64/x
  3. Step 3: Cross multiply
    68,508.72x = 94,543.20 × 38,294.64
  4. Step 4: Simplify right side
    68,508.72x = 3,620,497,808.45
  5. Step 5: Solve for x
    x = 3,620,497,808.45/68,508.72
  6. Step 6: Final answer
    x = 52,847.26

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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.