Home / 117,708.88-162,439.29-63,993.94

Finding the Fourth Proportional to 117,708.88, 162,439.29 and 63,993.94

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Solution

The fourth proportional to 117,708.88, 162,439.29 and 63,993.94 is: 88,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,708.88 : 162,439.29 = 63,993.94 : x
  2. Step 2: Convert to fraction form
    117,708.88/162,439.29 = 63,993.94/x
  3. Step 3: Cross multiply
    117,708.88x = 162,439.29 × 63,993.94
  4. Step 4: Simplify right side
    117,708.88x = 10,395,130,177.90
  5. Step 5: Solve for x
    x = 10,395,130,177.90/117,708.88
  6. Step 6: Final answer
    x = 88,312.20

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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.