Home / 62,540.44-86,288.70-40,197.40

Finding the Fourth Proportional to 62,540.44, 86,288.70 and 40,197.40

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Solution

The fourth proportional to 62,540.44, 86,288.70 and 40,197.40 is: 55,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,540.44 : 86,288.70 = 40,197.40 : x
  2. Step 2: Convert to fraction form
    62,540.44/86,288.70 = 40,197.40/x
  3. Step 3: Cross multiply
    62,540.44x = 86,288.70 × 40,197.40
  4. Step 4: Simplify right side
    62,540.44x = 3,468,581,389.38
  5. Step 5: Solve for x
    x = 3,468,581,389.38/62,540.44
  6. Step 6: Final answer
    x = 55,461.42

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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.