Home / 56,578.44-78,099.30-48,588.60

Finding the Fourth Proportional to 56,578.44, 78,099.30 and 48,588.60

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Solution

The fourth proportional to 56,578.44, 78,099.30 and 48,588.60 is: 67,070.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,578.44 : 78,099.30 = 48,588.60 : x
  2. Step 2: Convert to fraction form
    56,578.44/78,099.30 = 48,588.60/x
  3. Step 3: Cross multiply
    56,578.44x = 78,099.30 × 48,588.60
  4. Step 4: Simplify right side
    56,578.44x = 3,794,735,647.98
  5. Step 5: Solve for x
    x = 3,794,735,647.98/56,578.44
  6. Step 6: Final answer
    x = 67,070.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.