Home / 117,580.08-162,262.32-63,865.20

Finding the Fourth Proportional to 117,580.08, 162,262.32 and 63,865.20

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Solution

The fourth proportional to 117,580.08, 162,262.32 and 63,865.20 is: 88,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,580.08 : 162,262.32 = 63,865.20 : x
  2. Step 2: Convert to fraction form
    117,580.08/162,262.32 = 63,865.20/x
  3. Step 3: Cross multiply
    117,580.08x = 162,262.32 × 63,865.20
  4. Step 4: Simplify right side
    117,580.08x = 10,362,915,519.26
  5. Step 5: Solve for x
    x = 10,362,915,519.26/117,580.08
  6. Step 6: Final answer
    x = 88,134.96

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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.