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Finding the Fourth Proportional to 45,906.30, 68,875.65 and 44,286.30

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Solution

The fourth proportional to 45,906.30, 68,875.65 and 44,286.30 is: 66,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,906.30 : 68,875.65 = 44,286.30 : x
  2. Step 2: Convert to fraction form
    45,906.30/68,875.65 = 44,286.30/x
  3. Step 3: Cross multiply
    45,906.30x = 68,875.65 × 44,286.30
  4. Step 4: Simplify right side
    45,906.30x = 3,050,247,698.60
  5. Step 5: Solve for x
    x = 3,050,247,698.60/45,906.30
  6. Step 6: Final answer
    x = 66,445.08

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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.