Home / 51,520.24-77,690.27-50,817.66

Finding the Fourth Proportional to 51,520.24, 77,690.27 and 50,817.66

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Solution

The fourth proportional to 51,520.24, 77,690.27 and 50,817.66 is: 76,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,520.24 : 77,690.27 = 50,817.66 : x
  2. Step 2: Convert to fraction form
    51,520.24/77,690.27 = 50,817.66/x
  3. Step 3: Cross multiply
    51,520.24x = 77,690.27 × 50,817.66
  4. Step 4: Simplify right side
    51,520.24x = 3,948,037,726.17
  5. Step 5: Solve for x
    x = 3,948,037,726.17/51,520.24
  6. Step 6: Final answer
    x = 76,630.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.