Home / 45,817.96-68,610.26-30,188.20

Finding the Fourth Proportional to 45,817.96, 68,610.26 and 30,188.20

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Solution

The fourth proportional to 45,817.96, 68,610.26 and 30,188.20 is: 45,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,817.96 : 68,610.26 = 30,188.20 : x
  2. Step 2: Convert to fraction form
    45,817.96/68,610.26 = 30,188.20/x
  3. Step 3: Cross multiply
    45,817.96x = 68,610.26 × 30,188.20
  4. Step 4: Simplify right side
    45,817.96x = 2,071,219,983.35
  5. Step 5: Solve for x
    x = 2,071,219,983.35/45,817.96
  6. Step 6: Final answer
    x = 45,205.42

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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.