Home / 66,686.39-92,060.66-51,544.85

Finding the Fourth Proportional to 66,686.39, 92,060.66 and 51,544.85

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Solution

The fourth proportional to 66,686.39, 92,060.66 and 51,544.85 is: 71,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,686.39 : 92,060.66 = 51,544.85 : x
  2. Step 2: Convert to fraction form
    66,686.39/92,060.66 = 51,544.85/x
  3. Step 3: Cross multiply
    66,686.39x = 92,060.66 × 51,544.85
  4. Step 4: Simplify right side
    66,686.39x = 4,745,252,910.60
  5. Step 5: Solve for x
    x = 4,745,252,910.60/66,686.39
  6. Step 6: Final answer
    x = 71,157.74

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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.