Home / 66,682.11-92,018.37-38,007.99

Finding the Fourth Proportional to 66,682.11, 92,018.37 and 38,007.99

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Solution

The fourth proportional to 66,682.11, 92,018.37 and 38,007.99 is: 52,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,682.11 : 92,018.37 = 38,007.99 : x
  2. Step 2: Convert to fraction form
    66,682.11/92,018.37 = 38,007.99/x
  3. Step 3: Cross multiply
    66,682.11x = 92,018.37 × 38,007.99
  4. Step 4: Simplify right side
    66,682.11x = 3,497,433,286.78
  5. Step 5: Solve for x
    x = 3,497,433,286.78/66,682.11
  6. Step 6: Final answer
    x = 52,449.35

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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.