Home / 63,311.56-87,370.53-34,630.65

Finding the Fourth Proportional to 63,311.56, 87,370.53 and 34,630.65

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Solution

The fourth proportional to 63,311.56, 87,370.53 and 34,630.65 is: 47,790.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,311.56 : 87,370.53 = 34,630.65 : x
  2. Step 2: Convert to fraction form
    63,311.56/87,370.53 = 34,630.65/x
  3. Step 3: Cross multiply
    63,311.56x = 87,370.53 × 34,630.65
  4. Step 4: Simplify right side
    63,311.56x = 3,025,698,114.88
  5. Step 5: Solve for x
    x = 3,025,698,114.88/63,311.56
  6. Step 6: Final answer
    x = 47,790.61

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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.