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Finding the Fourth Proportional to 64,895, 89,555.06 and 36,600.62

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Solution

The fourth proportional to 64,895, 89,555.06 and 36,600.62 is: 50,508.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,895 : 89,555.06 = 36,600.62 : x
  2. Step 2: Convert to fraction form
    64,895/89,555.06 = 36,600.62/x
  3. Step 3: Cross multiply
    64,895x = 89,555.06 × 36,600.62
  4. Step 4: Simplify right side
    64,895x = 3,277,770,720.14
  5. Step 5: Solve for x
    x = 3,277,770,720.14/64,895
  6. Step 6: Final answer
    x = 50,508.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.