Home / 93,157.36-128,558.55-50,716.60

Finding the Fourth Proportional to 93,157.36, 128,558.55 and 50,716.60

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Solution

The fourth proportional to 93,157.36, 128,558.55 and 50,716.60 is: 69,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,157.36 : 128,558.55 = 50,716.60 : x
  2. Step 2: Convert to fraction form
    93,157.36/128,558.55 = 50,716.60/x
  3. Step 3: Cross multiply
    93,157.36x = 128,558.55 × 50,716.60
  4. Step 4: Simplify right side
    93,157.36x = 6,520,052,556.93
  5. Step 5: Solve for x
    x = 6,520,052,556.93/93,157.36
  6. Step 6: Final answer
    x = 69,989.67

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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.