Home / 74,394.70-102,682.54-42,582.04

Finding the Fourth Proportional to 74,394.70, 102,682.54 and 42,582.04

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Solution

The fourth proportional to 74,394.70, 102,682.54 and 42,582.04 is: 58,773.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,394.70 : 102,682.54 = 42,582.04 : x
  2. Step 2: Convert to fraction form
    74,394.70/102,682.54 = 42,582.04/x
  3. Step 3: Cross multiply
    74,394.70x = 102,682.54 × 42,582.04
  4. Step 4: Simplify right side
    74,394.70x = 4,372,432,025.58
  5. Step 5: Solve for x
    x = 4,372,432,025.58/74,394.70
  6. Step 6: Final answer
    x = 58,773.43

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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.