Home / 66,813.29-92,176.68-38,134.53

Finding the Fourth Proportional to 66,813.29, 92,176.68 and 38,134.53

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Solution

The fourth proportional to 66,813.29, 92,176.68 and 38,134.53 is: 52,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,813.29 : 92,176.68 = 38,134.53 : x
  2. Step 2: Convert to fraction form
    66,813.29/92,176.68 = 38,134.53/x
  3. Step 3: Cross multiply
    66,813.29x = 92,176.68 × 38,134.53
  4. Step 4: Simplify right side
    66,813.29x = 3,515,114,511.76
  5. Step 5: Solve for x
    x = 3,515,114,511.76/66,813.29
  6. Step 6: Final answer
    x = 52,611.01

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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.