Home / 66,683.11-92,019.75-38,008.99

Finding the Fourth Proportional to 66,683.11, 92,019.75 and 38,008.99

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Solution

The fourth proportional to 66,683.11, 92,019.75 and 38,008.99 is: 52,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,683.11 : 92,019.75 = 38,008.99 : x
  2. Step 2: Convert to fraction form
    66,683.11/92,019.75 = 38,008.99/x
  3. Step 3: Cross multiply
    66,683.11x = 92,019.75 × 38,008.99
  4. Step 4: Simplify right side
    66,683.11x = 3,497,577,757.55
  5. Step 5: Solve for x
    x = 3,497,577,757.55/66,683.11
  6. Step 6: Final answer
    x = 52,450.73

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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.