Home / 64,519.68-89,036.16-36,226.56

Finding the Fourth Proportional to 64,519.68, 89,036.16 and 36,226.56

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Solution

The fourth proportional to 64,519.68, 89,036.16 and 36,226.56 is: 49,992.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,519.68 : 89,036.16 = 36,226.56 : x
  2. Step 2: Convert to fraction form
    64,519.68/89,036.16 = 36,226.56/x
  3. Step 3: Cross multiply
    64,519.68x = 89,036.16 × 36,226.56
  4. Step 4: Simplify right side
    64,519.68x = 3,225,473,792.41
  5. Step 5: Solve for x
    x = 3,225,473,792.41/64,519.68
  6. Step 6: Final answer
    x = 49,992.09

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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.