Home / 93,147.42-128,544.04-50,705.94

Finding the Fourth Proportional to 93,147.42, 128,544.04 and 50,705.94

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Solution

The fourth proportional to 93,147.42, 128,544.04 and 50,705.94 is: 69,974.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,147.42 : 128,544.04 = 50,705.94 : x
  2. Step 2: Convert to fraction form
    93,147.42/128,544.04 = 50,705.94/x
  3. Step 3: Cross multiply
    93,147.42x = 128,544.04 × 50,705.94
  4. Step 4: Simplify right side
    93,147.42x = 6,517,946,379.60
  5. Step 5: Solve for x
    x = 6,517,946,379.60/93,147.42
  6. Step 6: Final answer
    x = 69,974.52

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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.