Home / 93,103.48-128,481.55-50,661.91

Finding the Fourth Proportional to 93,103.48, 128,481.55 and 50,661.91

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Solution

The fourth proportional to 93,103.48, 128,481.55 and 50,661.91 is: 69,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,103.48 : 128,481.55 = 50,661.91 : x
  2. Step 2: Convert to fraction form
    93,103.48/128,481.55 = 50,661.91/x
  3. Step 3: Cross multiply
    93,103.48x = 128,481.55 × 50,661.91
  4. Step 4: Simplify right side
    93,103.48x = 6,509,120,722.76
  5. Step 5: Solve for x
    x = 6,509,120,722.76/93,103.48
  6. Step 6: Final answer
    x = 69,912.75

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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.