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Finding the Fourth Proportional to 64,926.53, 89,598.71 and 36,634.85

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Solution

The fourth proportional to 64,926.53, 89,598.71 and 36,634.85 is: 50,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,926.53 : 89,598.71 = 36,634.85 : x
  2. Step 2: Convert to fraction form
    64,926.53/89,598.71 = 36,634.85/x
  3. Step 3: Cross multiply
    64,926.53x = 89,598.71 × 36,634.85
  4. Step 4: Simplify right side
    64,926.53x = 3,282,435,341.87
  5. Step 5: Solve for x
    x = 3,282,435,341.87/64,926.53
  6. Step 6: Final answer
    x = 50,556.15

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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.