Home / 51,865.80-77,856.30-32,166.60

Finding the Fourth Proportional to 51,865.80, 77,856.30 and 32,166.60

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Solution

The fourth proportional to 51,865.80, 77,856.30 and 32,166.60 is: 48,285.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,865.80 : 77,856.30 = 32,166.60 : x
  2. Step 2: Convert to fraction form
    51,865.80/77,856.30 = 32,166.60/x
  3. Step 3: Cross multiply
    51,865.80x = 77,856.30 × 32,166.60
  4. Step 4: Simplify right side
    51,865.80x = 2,504,372,459.58
  5. Step 5: Solve for x
    x = 2,504,372,459.58/51,865.80
  6. Step 6: Final answer
    x = 48,285.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.