Home / 79,411.12-109,582.38-43,600.90

Finding the Fourth Proportional to 79,411.12, 109,582.38 and 43,600.90

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Solution

The fourth proportional to 79,411.12, 109,582.38 and 43,600.90 is: 60,166.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,411.12 : 109,582.38 = 43,600.90 : x
  2. Step 2: Convert to fraction form
    79,411.12/109,582.38 = 43,600.90/x
  3. Step 3: Cross multiply
    79,411.12x = 109,582.38 × 43,600.90
  4. Step 4: Simplify right side
    79,411.12x = 4,777,890,392.14
  5. Step 5: Solve for x
    x = 4,777,890,392.14/79,411.12
  6. Step 6: Final answer
    x = 60,166.52

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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.