Home / 55,138.08-76,059.09-33,902.31

Finding the Fourth Proportional to 55,138.08, 76,059.09 and 33,902.31

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Solution

The fourth proportional to 55,138.08, 76,059.09 and 33,902.31 is: 46,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,138.08 : 76,059.09 = 33,902.31 : x
  2. Step 2: Convert to fraction form
    55,138.08/76,059.09 = 33,902.31/x
  3. Step 3: Cross multiply
    55,138.08x = 76,059.09 × 33,902.31
  4. Step 4: Simplify right side
    55,138.08x = 2,578,578,847.50
  5. Step 5: Solve for x
    x = 2,578,578,847.50/55,138.08
  6. Step 6: Final answer
    x = 46,765.84

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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.