Home / 118,563.44-163,620.78-64,851.62

Finding the Fourth Proportional to 118,563.44, 163,620.78 and 64,851.62

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Solution

The fourth proportional to 118,563.44, 163,620.78 and 64,851.62 is: 89,497.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,563.44 : 163,620.78 = 64,851.62 : x
  2. Step 2: Convert to fraction form
    118,563.44/163,620.78 = 64,851.62/x
  3. Step 3: Cross multiply
    118,563.44x = 163,620.78 × 64,851.62
  4. Step 4: Simplify right side
    118,563.44x = 10,611,072,648.66
  5. Step 5: Solve for x
    x = 10,611,072,648.66/118,563.44
  6. Step 6: Final answer
    x = 89,497.00

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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.