Home / 66,772.28-92,150.86-38,092.57

Finding the Fourth Proportional to 66,772.28, 92,150.86 and 38,092.57

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Solution

The fourth proportional to 66,772.28, 92,150.86 and 38,092.57 is: 52,570.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,772.28 : 92,150.86 = 38,092.57 : x
  2. Step 2: Convert to fraction form
    66,772.28/92,150.86 = 38,092.57/x
  3. Step 3: Cross multiply
    66,772.28x = 92,150.86 × 38,092.57
  4. Step 4: Simplify right side
    66,772.28x = 3,510,263,085.11
  5. Step 5: Solve for x
    x = 3,510,263,085.11/66,772.28
  6. Step 6: Final answer
    x = 52,570.66

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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.