Home / 93,147.49-128,544.33-50,705.92

Finding the Fourth Proportional to 93,147.49, 128,544.33 and 50,705.92

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Solution

The fourth proportional to 93,147.49, 128,544.33 and 50,705.92 is: 69,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,147.49 : 128,544.33 = 50,705.92 : x
  2. Step 2: Convert to fraction form
    93,147.49/128,544.33 = 50,705.92/x
  3. Step 3: Cross multiply
    93,147.49x = 128,544.33 × 50,705.92
  4. Step 4: Simplify right side
    93,147.49x = 6,517,958,513.43
  5. Step 5: Solve for x
    x = 6,517,958,513.43/93,147.49
  6. Step 6: Final answer
    x = 69,974.60

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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.