Home / 107,666.82-161,500.28-48,433.30

Finding the Fourth Proportional to 107,666.82, 161,500.28 and 48,433.30

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Solution

The fourth proportional to 107,666.82, 161,500.28 and 48,433.30 is: 72,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,666.82 : 161,500.28 = 48,433.30 : x
  2. Step 2: Convert to fraction form
    107,666.82/161,500.28 = 48,433.30/x
  3. Step 3: Cross multiply
    107,666.82x = 161,500.28 × 48,433.30
  4. Step 4: Simplify right side
    107,666.82x = 7,821,991,511.32
  5. Step 5: Solve for x
    x = 7,821,991,511.32/107,666.82
  6. Step 6: Final answer
    x = 72,649.97

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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.