Home / 93,183.08-128,604.51-69,377.58

Finding the Fourth Proportional to 93,183.08, 128,604.51 and 69,377.58

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Solution

The fourth proportional to 93,183.08, 128,604.51 and 69,377.58 is: 95,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,183.08 : 128,604.51 = 69,377.58 : x
  2. Step 2: Convert to fraction form
    93,183.08/128,604.51 = 69,377.58/x
  3. Step 3: Cross multiply
    93,183.08x = 128,604.51 × 69,377.58
  4. Step 4: Simplify right side
    93,183.08x = 8,922,269,680.89
  5. Step 5: Solve for x
    x = 8,922,269,680.89/93,183.08
  6. Step 6: Final answer
    x = 95,749.90

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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.