Home / 63,717.45-87,953.94-47,847.75

Finding the Fourth Proportional to 63,717.45, 87,953.94 and 47,847.75

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Solution

The fourth proportional to 63,717.45, 87,953.94 and 47,847.75 is: 66,047.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,717.45 : 87,953.94 = 47,847.75 : x
  2. Step 2: Convert to fraction form
    63,717.45/87,953.94 = 47,847.75/x
  3. Step 3: Cross multiply
    63,717.45x = 87,953.94 × 47,847.75
  4. Step 4: Simplify right side
    63,717.45x = 4,208,398,132.64
  5. Step 5: Solve for x
    x = 4,208,398,132.64/63,717.45
  6. Step 6: Final answer
    x = 66,047.81

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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.