Home / 117,509.97-162,167.07-63,798.49

Finding the Fourth Proportional to 117,509.97, 162,167.07 and 63,798.49

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Solution

The fourth proportional to 117,509.97, 162,167.07 and 63,798.49 is: 88,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,509.97 : 162,167.07 = 63,798.49 : x
  2. Step 2: Convert to fraction form
    117,509.97/162,167.07 = 63,798.49/x
  3. Step 3: Cross multiply
    117,509.97x = 162,167.07 × 63,798.49
  4. Step 4: Simplify right side
    117,509.97x = 10,346,014,193.72
  5. Step 5: Solve for x
    x = 10,346,014,193.72/117,509.97
  6. Step 6: Final answer
    x = 88,043.71

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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.