Home / 64,839.76-89,477.26-36,164.55

Finding the Fourth Proportional to 64,839.76, 89,477.26 and 36,164.55

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Solution

The fourth proportional to 64,839.76, 89,477.26 and 36,164.55 is: 49,906.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,839.76 : 89,477.26 = 36,164.55 : x
  2. Step 2: Convert to fraction form
    64,839.76/89,477.26 = 36,164.55/x
  3. Step 3: Cross multiply
    64,839.76x = 89,477.26 × 36,164.55
  4. Step 4: Simplify right side
    64,839.76x = 3,235,904,843.13
  5. Step 5: Solve for x
    x = 3,235,904,843.13/64,839.76
  6. Step 6: Final answer
    x = 49,906.18

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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.