Home / 73,712.20-110,582.70-29,331.40

Finding the Fourth Proportional to 73,712.20, 110,582.70 and 29,331.40

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Solution

The fourth proportional to 73,712.20, 110,582.70 and 29,331.40 is: 44,002.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,712.20 : 110,582.70 = 29,331.40 : x
  2. Step 2: Convert to fraction form
    73,712.20/110,582.70 = 29,331.40/x
  3. Step 3: Cross multiply
    73,712.20x = 110,582.70 × 29,331.40
  4. Step 4: Simplify right side
    73,712.20x = 3,243,545,406.78
  5. Step 5: Solve for x
    x = 3,243,545,406.78/73,712.20
  6. Step 6: Final answer
    x = 44,002.83

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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.