Home / 77,732.05-107,284.91-48,673.91

Finding the Fourth Proportional to 77,732.05, 107,284.91 and 48,673.91

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Solution

The fourth proportional to 77,732.05, 107,284.91 and 48,673.91 is: 67,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,732.05 : 107,284.91 = 48,673.91 : x
  2. Step 2: Convert to fraction form
    77,732.05/107,284.91 = 48,673.91/x
  3. Step 3: Cross multiply
    77,732.05x = 107,284.91 × 48,673.91
  4. Step 4: Simplify right side
    77,732.05x = 5,221,975,553.64
  5. Step 5: Solve for x
    x = 5,221,975,553.64/77,732.05
  6. Step 6: Final answer
    x = 67,179.19

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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.