Home / 74,440.50-102,775.41-51,771.30

Finding the Fourth Proportional to 74,440.50, 102,775.41 and 51,771.30

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Solution

The fourth proportional to 74,440.50, 102,775.41 and 51,771.30 is: 71,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,440.50 : 102,775.41 = 51,771.30 : x
  2. Step 2: Convert to fraction form
    74,440.50/102,775.41 = 51,771.30/x
  3. Step 3: Cross multiply
    74,440.50x = 102,775.41 × 51,771.30
  4. Step 4: Simplify right side
    74,440.50x = 5,320,816,583.73
  5. Step 5: Solve for x
    x = 5,320,816,583.73/74,440.50
  6. Step 6: Final answer
    x = 71,477.44

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1.5x scale

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.