Home / 66,683.76-92,022.68-38,005.13

Finding the Fourth Proportional to 66,683.76, 92,022.68 and 38,005.13

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Solution

The fourth proportional to 66,683.76, 92,022.68 and 38,005.13 is: 52,446.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,683.76 : 92,022.68 = 38,005.13 : x
  2. Step 2: Convert to fraction form
    66,683.76/92,022.68 = 38,005.13/x
  3. Step 3: Cross multiply
    66,683.76x = 92,022.68 × 38,005.13
  4. Step 4: Simplify right side
    66,683.76x = 3,497,334,241.42
  5. Step 5: Solve for x
    x = 3,497,334,241.42/66,683.76
  6. Step 6: Final answer
    x = 52,446.57

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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.