Home / 75,415.48-104,000.12-50,940.11

Finding the Fourth Proportional to 75,415.48, 104,000.12 and 50,940.11

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Solution

The fourth proportional to 75,415.48, 104,000.12 and 50,940.11 is: 70,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,415.48 : 104,000.12 = 50,940.11 : x
  2. Step 2: Convert to fraction form
    75,415.48/104,000.12 = 50,940.11/x
  3. Step 3: Cross multiply
    75,415.48x = 104,000.12 × 50,940.11
  4. Step 4: Simplify right side
    75,415.48x = 5,297,777,558.11
  5. Step 5: Solve for x
    x = 5,297,777,558.11/75,415.48
  6. Step 6: Final answer
    x = 70,247.88

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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.