Home / 68,540.42-94,585.11-38,325.80

Finding the Fourth Proportional to 68,540.42, 94,585.11 and 38,325.80

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Solution

The fourth proportional to 68,540.42, 94,585.11 and 38,325.80 is: 52,889.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,540.42 : 94,585.11 = 38,325.80 : x
  2. Step 2: Convert to fraction form
    68,540.42/94,585.11 = 38,325.80/x
  3. Step 3: Cross multiply
    68,540.42x = 94,585.11 × 38,325.80
  4. Step 4: Simplify right side
    68,540.42x = 3,625,050,008.84
  5. Step 5: Solve for x
    x = 3,625,050,008.84/68,540.42
  6. Step 6: Final answer
    x = 52,889.23

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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.