Home / 69,914.62-96,479.22-38,083.78

Finding the Fourth Proportional to 69,914.62, 96,479.22 and 38,083.78

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Solution

The fourth proportional to 69,914.62, 96,479.22 and 38,083.78 is: 52,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,914.62 : 96,479.22 = 38,083.78 : x
  2. Step 2: Convert to fraction form
    69,914.62/96,479.22 = 38,083.78/x
  3. Step 3: Cross multiply
    69,914.62x = 96,479.22 × 38,083.78
  4. Step 4: Simplify right side
    69,914.62x = 3,674,293,389.05
  5. Step 5: Solve for x
    x = 3,674,293,389.05/69,914.62
  6. Step 6: Final answer
    x = 52,554.01

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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.