Home / 66,813.74-92,204.44-38,132.82

Finding the Fourth Proportional to 66,813.74, 92,204.44 and 38,132.82

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Solution

The fourth proportional to 66,813.74, 92,204.44 and 38,132.82 is: 52,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,813.74 : 92,204.44 = 38,132.82 : x
  2. Step 2: Convert to fraction form
    66,813.74/92,204.44 = 38,132.82/x
  3. Step 3: Cross multiply
    66,813.74x = 92,204.44 × 38,132.82
  4. Step 4: Simplify right side
    66,813.74x = 3,516,015,562.55
  5. Step 5: Solve for x
    x = 3,516,015,562.55/66,813.74
  6. Step 6: Final answer
    x = 52,624.14

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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.