Home / 77,635.82-116,447.23-21,476.62

Finding the Fourth Proportional to 77,635.82, 116,447.23 and 21,476.62

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Solution

The fourth proportional to 77,635.82, 116,447.23 and 21,476.62 is: 32,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,635.82 : 116,447.23 = 21,476.62 : x
  2. Step 2: Convert to fraction form
    77,635.82/116,447.23 = 21,476.62/x
  3. Step 3: Cross multiply
    77,635.82x = 116,447.23 × 21,476.62
  4. Step 4: Simplify right side
    77,635.82x = 2,500,892,908.76
  5. Step 5: Solve for x
    x = 2,500,892,908.76/77,635.82
  6. Step 6: Final answer
    x = 32,213.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.