Home / 92,019.78-126,986.08-51,183.63

Finding the Fourth Proportional to 92,019.78, 126,986.08 and 51,183.63

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Solution

The fourth proportional to 92,019.78, 126,986.08 and 51,183.63 is: 70,632.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,019.78 : 126,986.08 = 51,183.63 : x
  2. Step 2: Convert to fraction form
    92,019.78/126,986.08 = 51,183.63/x
  3. Step 3: Cross multiply
    92,019.78x = 126,986.08 × 51,183.63
  4. Step 4: Simplify right side
    92,019.78x = 6,499,608,533.87
  5. Step 5: Solve for x
    x = 6,499,608,533.87/92,019.78
  6. Step 6: Final answer
    x = 70,632.73

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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.