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Finding the Fourth Proportional to 45,910.10, 68,735.55 and 45,910.10

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Solution

The fourth proportional to 45,910.10, 68,735.55 and 45,910.10 is: 68,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,910.10 : 68,735.55 = 45,910.10 : x
  2. Step 2: Convert to fraction form
    45,910.10/68,735.55 = 45,910.10/x
  3. Step 3: Cross multiply
    45,910.10x = 68,735.55 × 45,910.10
  4. Step 4: Simplify right side
    45,910.10x = 3,155,655,974.06
  5. Step 5: Solve for x
    x = 3,155,655,974.06/45,910.10
  6. Step 6: Final answer
    x = 68,735.55

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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.