Home / 115,783.50-173,758.29-49,270.38

Finding the Fourth Proportional to 115,783.50, 173,758.29 and 49,270.38

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Solution

The fourth proportional to 115,783.50, 173,758.29 and 49,270.38 is: 73,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,783.50 : 173,758.29 = 49,270.38 : x
  2. Step 2: Convert to fraction form
    115,783.50/173,758.29 = 49,270.38/x
  3. Step 3: Cross multiply
    115,783.50x = 173,758.29 × 49,270.38
  4. Step 4: Simplify right side
    115,783.50x = 8,561,136,278.67
  5. Step 5: Solve for x
    x = 8,561,136,278.67/115,783.50
  6. Step 6: Final answer
    x = 73,940.90

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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.