Home / 87,069.92-130,617.36-33,054.54

Finding the Fourth Proportional to 87,069.92, 130,617.36 and 33,054.54

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Solution

The fourth proportional to 87,069.92, 130,617.36 and 33,054.54 is: 49,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,069.92 : 130,617.36 = 33,054.54 : x
  2. Step 2: Convert to fraction form
    87,069.92/130,617.36 = 33,054.54/x
  3. Step 3: Cross multiply
    87,069.92x = 130,617.36 × 33,054.54
  4. Step 4: Simplify right side
    87,069.92x = 4,317,496,750.81
  5. Step 5: Solve for x
    x = 4,317,496,750.81/87,069.92
  6. Step 6: Final answer
    x = 49,586.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.