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Finding the Fourth Proportional to 64,599.75, 89,153.33 and 36,305.64

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Solution

The fourth proportional to 64,599.75, 89,153.33 and 36,305.64 is: 50,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,599.75 : 89,153.33 = 36,305.64 : x
  2. Step 2: Convert to fraction form
    64,599.75/89,153.33 = 36,305.64/x
  3. Step 3: Cross multiply
    64,599.75x = 89,153.33 × 36,305.64
  4. Step 4: Simplify right side
    64,599.75x = 3,236,768,522.25
  5. Step 5: Solve for x
    x = 3,236,768,522.25/64,599.75
  6. Step 6: Final answer
    x = 50,104.97

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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.