Home / 105,919.44-158,636.16-61,435.86

Finding the Fourth Proportional to 105,919.44, 158,636.16 and 61,435.86

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Solution

The fourth proportional to 105,919.44, 158,636.16 and 61,435.86 is: 92,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,919.44 : 158,636.16 = 61,435.86 : x
  2. Step 2: Convert to fraction form
    105,919.44/158,636.16 = 61,435.86/x
  3. Step 3: Cross multiply
    105,919.44x = 158,636.16 × 61,435.86
  4. Step 4: Simplify right side
    105,919.44x = 9,745,948,916.70
  5. Step 5: Solve for x
    x = 9,745,948,916.70/105,919.44
  6. Step 6: Final answer
    x = 92,012.84

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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.