Home / 64,819.27-89,447.38-36,526.78

Finding the Fourth Proportional to 64,819.27, 89,447.38 and 36,526.78

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Solution

The fourth proportional to 64,819.27, 89,447.38 and 36,526.78 is: 50,405.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,819.27 : 89,447.38 = 36,526.78 : x
  2. Step 2: Convert to fraction form
    64,819.27/89,447.38 = 36,526.78/x
  3. Step 3: Cross multiply
    64,819.27x = 89,447.38 × 36,526.78
  4. Step 4: Simplify right side
    64,819.27x = 3,267,224,770.84
  5. Step 5: Solve for x
    x = 3,267,224,770.84/64,819.27
  6. Step 6: Final answer
    x = 50,405.15

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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.