Home / 67,458.70-93,105.18-40,236.54

Finding the Fourth Proportional to 67,458.70, 93,105.18 and 40,236.54

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Solution

The fourth proportional to 67,458.70, 93,105.18 and 40,236.54 is: 55,533.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,458.70 : 93,105.18 = 40,236.54 : x
  2. Step 2: Convert to fraction form
    67,458.70/93,105.18 = 40,236.54/x
  3. Step 3: Cross multiply
    67,458.70x = 93,105.18 × 40,236.54
  4. Step 4: Simplify right side
    67,458.70x = 3,746,230,299.28
  5. Step 5: Solve for x
    x = 3,746,230,299.28/67,458.70
  6. Step 6: Final answer
    x = 55,533.69

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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.