Home / 93,157.32-128,559.78-50,716.56

Finding the Fourth Proportional to 93,157.32, 128,559.78 and 50,716.56

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Solution

The fourth proportional to 93,157.32, 128,559.78 and 50,716.56 is: 69,990.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,157.32 : 128,559.78 = 50,716.56 : x
  2. Step 2: Convert to fraction form
    93,157.32/128,559.78 = 50,716.56/x
  3. Step 3: Cross multiply
    93,157.32x = 128,559.78 × 50,716.56
  4. Step 4: Simplify right side
    93,157.32x = 6,520,109,795.96
  5. Step 5: Solve for x
    x = 6,520,109,795.96/93,157.32
  6. Step 6: Final answer
    x = 69,990.31

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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.