Home / 104,099.60-156,126.02-47,885.72

Finding the Fourth Proportional to 104,099.60, 156,126.02 and 47,885.72

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Solution

The fourth proportional to 104,099.60, 156,126.02 and 47,885.72 is: 71,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,099.60 : 156,126.02 = 47,885.72 : x
  2. Step 2: Convert to fraction form
    104,099.60/156,126.02 = 47,885.72/x
  3. Step 3: Cross multiply
    104,099.60x = 156,126.02 × 47,885.72
  4. Step 4: Simplify right side
    104,099.60x = 7,476,206,878.43
  5. Step 5: Solve for x
    x = 7,476,206,878.43/104,099.60
  6. Step 6: Final answer
    x = 71,817.83

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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.