Home / 91,439.43-126,183.49-51,152.33

Finding the Fourth Proportional to 91,439.43, 126,183.49 and 51,152.33

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Solution

The fourth proportional to 91,439.43, 126,183.49 and 51,152.33 is: 70,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,439.43 : 126,183.49 = 51,152.33 : x
  2. Step 2: Convert to fraction form
    91,439.43/126,183.49 = 51,152.33/x
  3. Step 3: Cross multiply
    91,439.43x = 126,183.49 × 51,152.33
  4. Step 4: Simplify right side
    91,439.43x = 6,454,578,634.35
  5. Step 5: Solve for x
    x = 6,454,578,634.35/91,439.43
  6. Step 6: Final answer
    x = 70,588.57

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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.