Home / 66,193.74-99,234.79-28,725.64

Finding the Fourth Proportional to 66,193.74, 99,234.79 and 28,725.64

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Solution

The fourth proportional to 66,193.74, 99,234.79 and 28,725.64 is: 43,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,193.74 : 99,234.79 = 28,725.64 : x
  2. Step 2: Convert to fraction form
    66,193.74/99,234.79 = 28,725.64/x
  3. Step 3: Cross multiply
    66,193.74x = 99,234.79 × 28,725.64
  4. Step 4: Simplify right side
    66,193.74x = 2,850,582,533.11
  5. Step 5: Solve for x
    x = 2,850,582,533.11/66,193.74
  6. Step 6: Final answer
    x = 43,064.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.