Home / 88,579.56-122,273.92-64,894.36

Finding the Fourth Proportional to 88,579.56, 122,273.92 and 64,894.36

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Solution

The fourth proportional to 88,579.56, 122,273.92 and 64,894.36 is: 89,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,579.56 : 122,273.92 = 64,894.36 : x
  2. Step 2: Convert to fraction form
    88,579.56/122,273.92 = 64,894.36/x
  3. Step 3: Cross multiply
    88,579.56x = 122,273.92 × 64,894.36
  4. Step 4: Simplify right side
    88,579.56x = 7,934,887,783.09
  5. Step 5: Solve for x
    x = 7,934,887,783.09/88,579.56
  6. Step 6: Final answer
    x = 89,579.22

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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.