Home / 63,670.75-87,865.65-35,376.43

Finding the Fourth Proportional to 63,670.75, 87,865.65 and 35,376.43

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Solution

The fourth proportional to 63,670.75, 87,865.65 and 35,376.43 is: 48,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,670.75 : 87,865.65 = 35,376.43 : x
  2. Step 2: Convert to fraction form
    63,670.75/87,865.65 = 35,376.43/x
  3. Step 3: Cross multiply
    63,670.75x = 87,865.65 × 35,376.43
  4. Step 4: Simplify right side
    63,670.75x = 3,108,373,282.65
  5. Step 5: Solve for x
    x = 3,108,373,282.65/63,670.75
  6. Step 6: Final answer
    x = 48,819.49

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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.