Home / 66,686.20-92,060.42-51,544.67

Finding the Fourth Proportional to 66,686.20, 92,060.42 and 51,544.67

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Solution

The fourth proportional to 66,686.20, 92,060.42 and 51,544.67 is: 71,157.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,686.20 : 92,060.42 = 51,544.67 : x
  2. Step 2: Convert to fraction form
    66,686.20/92,060.42 = 51,544.67/x
  3. Step 3: Cross multiply
    66,686.20x = 92,060.42 × 51,544.67
  4. Step 4: Simplify right side
    66,686.20x = 4,745,223,250.94
  5. Step 5: Solve for x
    x = 4,745,223,250.94/66,686.20
  6. Step 6: Final answer
    x = 71,157.50

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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.