Home / 74,059.30-111,114.87-21,471.94

Finding the Fourth Proportional to 74,059.30, 111,114.87 and 21,471.94

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Solution

The fourth proportional to 74,059.30, 111,114.87 and 21,471.94 is: 32,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,059.30 : 111,114.87 = 21,471.94 : x
  2. Step 2: Convert to fraction form
    74,059.30/111,114.87 = 21,471.94/x
  3. Step 3: Cross multiply
    74,059.30x = 111,114.87 × 21,471.94
  4. Step 4: Simplify right side
    74,059.30x = 2,385,851,821.75
  5. Step 5: Solve for x
    x = 2,385,851,821.75/74,059.30
  6. Step 6: Final answer
    x = 32,215.42

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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.