Home / 117,579.98-162,262.25-63,865.03

Finding the Fourth Proportional to 117,579.98, 162,262.25 and 63,865.03

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Solution

The fourth proportional to 117,579.98, 162,262.25 and 63,865.03 is: 88,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,579.98 : 162,262.25 = 63,865.03 : x
  2. Step 2: Convert to fraction form
    117,579.98/162,262.25 = 63,865.03/x
  3. Step 3: Cross multiply
    117,579.98x = 162,262.25 × 63,865.03
  4. Step 4: Simplify right side
    117,579.98x = 10,362,883,464.12
  5. Step 5: Solve for x
    x = 10,362,883,464.12/117,579.98
  6. Step 6: Final answer
    x = 88,134.76

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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.