Home / 67,383.18-101,074.77-37,821.78

Finding the Fourth Proportional to 67,383.18, 101,074.77 and 37,821.78

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Solution

The fourth proportional to 67,383.18, 101,074.77 and 37,821.78 is: 56,732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,383.18 : 101,074.77 = 37,821.78 : x
  2. Step 2: Convert to fraction form
    67,383.18/101,074.77 = 37,821.78/x
  3. Step 3: Cross multiply
    67,383.18x = 101,074.77 × 37,821.78
  4. Step 4: Simplify right side
    67,383.18x = 3,822,827,714.49
  5. Step 5: Solve for x
    x = 3,822,827,714.49/67,383.18
  6. Step 6: Final answer
    x = 56,732.67

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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.