Home / 50,732.10-70,002.12-31,855.86

Finding the Fourth Proportional to 50,732.10, 70,002.12 and 31,855.86

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Solution

The fourth proportional to 50,732.10, 70,002.12 and 31,855.86 is: 43,955.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,732.10 : 70,002.12 = 31,855.86 : x
  2. Step 2: Convert to fraction form
    50,732.10/70,002.12 = 31,855.86/x
  3. Step 3: Cross multiply
    50,732.10x = 70,002.12 × 31,855.86
  4. Step 4: Simplify right side
    50,732.10x = 2,229,977,734.42
  5. Step 5: Solve for x
    x = 2,229,977,734.42/50,732.10
  6. Step 6: Final answer
    x = 43,955.95

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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.