Home / 53,511.60-80,267.40-50,231.10

Finding the Fourth Proportional to 53,511.60, 80,267.40 and 50,231.10

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Solution

The fourth proportional to 53,511.60, 80,267.40 and 50,231.10 is: 75,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,511.60 : 80,267.40 = 50,231.10 : x
  2. Step 2: Convert to fraction form
    53,511.60/80,267.40 = 50,231.10/x
  3. Step 3: Cross multiply
    53,511.60x = 80,267.40 × 50,231.10
  4. Step 4: Simplify right side
    53,511.60x = 4,031,919,796.14
  5. Step 5: Solve for x
    x = 4,031,919,796.14/53,511.60
  6. Step 6: Final answer
    x = 75,346.65

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1.5x scale

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.