Home / 82,783.78-124,180.26-23,614.90

Finding the Fourth Proportional to 82,783.78, 124,180.26 and 23,614.90

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Solution

The fourth proportional to 82,783.78, 124,180.26 and 23,614.90 is: 35,423.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,783.78 : 124,180.26 = 23,614.90 : x
  2. Step 2: Convert to fraction form
    82,783.78/124,180.26 = 23,614.90/x
  3. Step 3: Cross multiply
    82,783.78x = 124,180.26 × 23,614.90
  4. Step 4: Simplify right side
    82,783.78x = 2,932,504,421.87
  5. Step 5: Solve for x
    x = 2,932,504,421.87/82,783.78
  6. Step 6: Final answer
    x = 35,423.66

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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.