Home / 87,606.26-120,896.64-47,862.26

Finding the Fourth Proportional to 87,606.26, 120,896.64 and 47,862.26

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Solution

The fourth proportional to 87,606.26, 120,896.64 and 47,862.26 is: 66,049.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,606.26 : 120,896.64 = 47,862.26 : x
  2. Step 2: Convert to fraction form
    87,606.26/120,896.64 = 47,862.26/x
  3. Step 3: Cross multiply
    87,606.26x = 120,896.64 × 47,862.26
  4. Step 4: Simplify right side
    87,606.26x = 5,786,386,416.81
  5. Step 5: Solve for x
    x = 5,786,386,416.81/87,606.26
  6. Step 6: Final answer
    x = 66,049.92

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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.