Home / 117,818.28-162,584.36-64,103.51

Finding the Fourth Proportional to 117,818.28, 162,584.36 and 64,103.51

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Solution

The fourth proportional to 117,818.28, 162,584.36 and 64,103.51 is: 88,460.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,818.28 : 162,584.36 = 64,103.51 : x
  2. Step 2: Convert to fraction form
    117,818.28/162,584.36 = 64,103.51/x
  3. Step 3: Cross multiply
    117,818.28x = 162,584.36 × 64,103.51
  4. Step 4: Simplify right side
    117,818.28x = 10,422,228,147.10
  5. Step 5: Solve for x
    x = 10,422,228,147.10/117,818.28
  6. Step 6: Final answer
    x = 88,460.20

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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.