Home / 93,211.20-128,632.08-50,769.36

Finding the Fourth Proportional to 93,211.20, 128,632.08 and 50,769.36

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Solution

The fourth proportional to 93,211.20, 128,632.08 and 50,769.36 is: 70,062.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,211.20 : 128,632.08 = 50,769.36 : x
  2. Step 2: Convert to fraction form
    93,211.20/128,632.08 = 50,769.36/x
  3. Step 3: Cross multiply
    93,211.20x = 128,632.08 × 50,769.36
  4. Step 4: Simplify right side
    93,211.20x = 6,530,568,377.07
  5. Step 5: Solve for x
    x = 6,530,568,377.07/93,211.20
  6. Step 6: Final answer
    x = 70,062.06

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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.