Home / 106,070.94-159,122.78-66,059.30

Finding the Fourth Proportional to 106,070.94, 159,122.78 and 66,059.30

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Solution

The fourth proportional to 106,070.94, 159,122.78 and 66,059.30 is: 99,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,070.94 : 159,122.78 = 66,059.30 : x
  2. Step 2: Convert to fraction form
    106,070.94/159,122.78 = 66,059.30/x
  3. Step 3: Cross multiply
    106,070.94x = 159,122.78 × 66,059.30
  4. Step 4: Simplify right side
    106,070.94x = 10,511,539,460.85
  5. Step 5: Solve for x
    x = 10,511,539,460.85/106,070.94
  6. Step 6: Final answer
    x = 99,099.14

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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.