Home / 47,769.84-71,645.43-45,399.06

Finding the Fourth Proportional to 47,769.84, 71,645.43 and 45,399.06

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Solution

The fourth proportional to 47,769.84, 71,645.43 and 45,399.06 is: 68,089.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,769.84 : 71,645.43 = 45,399.06 : x
  2. Step 2: Convert to fraction form
    47,769.84/71,645.43 = 45,399.06/x
  3. Step 3: Cross multiply
    47,769.84x = 71,645.43 × 45,399.06
  4. Step 4: Simplify right side
    47,769.84x = 3,252,635,175.30
  5. Step 5: Solve for x
    x = 3,252,635,175.30/47,769.84
  6. Step 6: Final answer
    x = 68,089.72

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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.