Home / 45,920.14-68,906.82-19,263.76

Finding the Fourth Proportional to 45,920.14, 68,906.82 and 19,263.76

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Solution

The fourth proportional to 45,920.14, 68,906.82 and 19,263.76 is: 28,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,920.14 : 68,906.82 = 19,263.76 : x
  2. Step 2: Convert to fraction form
    45,920.14/68,906.82 = 19,263.76/x
  3. Step 3: Cross multiply
    45,920.14x = 68,906.82 × 19,263.76
  4. Step 4: Simplify right side
    45,920.14x = 1,327,404,442.84
  5. Step 5: Solve for x
    x = 1,327,404,442.84/45,920.14
  6. Step 6: Final answer
    x = 28,906.80

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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.