Home / 93,136.54-139,725.64-33,972.21

Finding the Fourth Proportional to 93,136.54, 139,725.64 and 33,972.21

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Solution

The fourth proportional to 93,136.54, 139,725.64 and 33,972.21 is: 50,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,136.54 : 139,725.64 = 33,972.21 : x
  2. Step 2: Convert to fraction form
    93,136.54/139,725.64 = 33,972.21/x
  3. Step 3: Cross multiply
    93,136.54x = 139,725.64 × 33,972.21
  4. Step 4: Simplify right side
    93,136.54x = 4,746,788,784.46
  5. Step 5: Solve for x
    x = 4,746,788,784.46/93,136.54
  6. Step 6: Final answer
    x = 50,965.91

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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.