Home / 45,906.96-68,860.08-30,320.88

Finding the Fourth Proportional to 45,906.96, 68,860.08 and 30,320.88

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Solution

The fourth proportional to 45,906.96, 68,860.08 and 30,320.88 is: 45,481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,906.96 : 68,860.08 = 30,320.88 : x
  2. Step 2: Convert to fraction form
    45,906.96/68,860.08 = 30,320.88/x
  3. Step 3: Cross multiply
    45,906.96x = 68,860.08 × 30,320.88
  4. Step 4: Simplify right side
    45,906.96x = 2,087,898,222.47
  5. Step 5: Solve for x
    x = 2,087,898,222.47/45,906.96
  6. Step 6: Final answer
    x = 45,481.08

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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.