Home / 93,578.90-129,136.82-51,137.73

Finding the Fourth Proportional to 93,578.90, 129,136.82 and 51,137.73

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Solution

The fourth proportional to 93,578.90, 129,136.82 and 51,137.73 is: 70,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,578.90 : 129,136.82 = 51,137.73 : x
  2. Step 2: Convert to fraction form
    93,578.90/129,136.82 = 51,137.73/x
  3. Step 3: Cross multiply
    93,578.90x = 129,136.82 × 51,137.73
  4. Step 4: Simplify right side
    93,578.90x = 6,603,763,578.53
  5. Step 5: Solve for x
    x = 6,603,763,578.53/93,578.90
  6. Step 6: Final answer
    x = 70,568.94

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1.5x scale

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.