Home / 49,736.19-74,534.34-42,311.34

Finding the Fourth Proportional to 49,736.19, 74,534.34 and 42,311.34

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Solution

The fourth proportional to 49,736.19, 74,534.34 and 42,311.34 is: 63,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,736.19 : 74,534.34 = 42,311.34 : x
  2. Step 2: Convert to fraction form
    49,736.19/74,534.34 = 42,311.34/x
  3. Step 3: Cross multiply
    49,736.19x = 74,534.34 × 42,311.34
  4. Step 4: Simplify right side
    49,736.19x = 3,153,647,801.42
  5. Step 5: Solve for x
    x = 3,153,647,801.42/49,736.19
  6. Step 6: Final answer
    x = 63,407.51

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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.