Home / 109,594.20-164,099.70-69,936.60

Finding the Fourth Proportional to 109,594.20, 164,099.70 and 69,936.60

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Solution

The fourth proportional to 109,594.20, 164,099.70 and 69,936.60 is: 104,718.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,594.20 : 164,099.70 = 69,936.60 : x
  2. Step 2: Convert to fraction form
    109,594.20/164,099.70 = 69,936.60/x
  3. Step 3: Cross multiply
    109,594.20x = 164,099.70 × 69,936.60
  4. Step 4: Simplify right side
    109,594.20x = 11,476,575,079.02
  5. Step 5: Solve for x
    x = 11,476,575,079.02/109,594.20
  6. Step 6: Final answer
    x = 104,718.82

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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.