Home / 117,628.10-162,323.97-63,911.90

Finding the Fourth Proportional to 117,628.10, 162,323.97 and 63,911.90

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Solution

The fourth proportional to 117,628.10, 162,323.97 and 63,911.90 is: 88,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,628.10 : 162,323.97 = 63,911.90 : x
  2. Step 2: Convert to fraction form
    117,628.10/162,323.97 = 63,911.90/x
  3. Step 3: Cross multiply
    117,628.10x = 162,323.97 × 63,911.90
  4. Step 4: Simplify right side
    117,628.10x = 10,374,433,338.24
  5. Step 5: Solve for x
    x = 10,374,433,338.24/117,628.10
  6. Step 6: Final answer
    x = 88,196.90

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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.