Home / 77,808.72-116,683.68-25,204.08

Finding the Fourth Proportional to 77,808.72, 116,683.68 and 25,204.08

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Solution

The fourth proportional to 77,808.72, 116,683.68 and 25,204.08 is: 37,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,808.72 : 116,683.68 = 25,204.08 : x
  2. Step 2: Convert to fraction form
    77,808.72/116,683.68 = 25,204.08/x
  3. Step 3: Cross multiply
    77,808.72x = 116,683.68 × 25,204.08
  4. Step 4: Simplify right side
    77,808.72x = 2,940,904,805.41
  5. Step 5: Solve for x
    x = 2,940,904,805.41/77,808.72
  6. Step 6: Final answer
    x = 37,796.60

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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.