Home / 47,682.18-71,474.04-31,074.66

Finding the Fourth Proportional to 47,682.18, 71,474.04 and 31,074.66

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Solution

The fourth proportional to 47,682.18, 71,474.04 and 31,074.66 is: 46,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,682.18 : 71,474.04 = 31,074.66 : x
  2. Step 2: Convert to fraction form
    47,682.18/71,474.04 = 31,074.66/x
  3. Step 3: Cross multiply
    47,682.18x = 71,474.04 × 31,074.66
  4. Step 4: Simplify right side
    47,682.18x = 2,221,031,491.83
  5. Step 5: Solve for x
    x = 2,221,031,491.83/47,682.18
  6. Step 6: Final answer
    x = 46,579.91

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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.