Home / 55,427.80-83,141.70-33,266.20

Finding the Fourth Proportional to 55,427.80, 83,141.70 and 33,266.20

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Solution

The fourth proportional to 55,427.80, 83,141.70 and 33,266.20 is: 49,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,427.80 : 83,141.70 = 33,266.20 : x
  2. Step 2: Convert to fraction form
    55,427.80/83,141.70 = 33,266.20/x
  3. Step 3: Cross multiply
    55,427.80x = 83,141.70 × 33,266.20
  4. Step 4: Simplify right side
    55,427.80x = 2,765,808,420.54
  5. Step 5: Solve for x
    x = 2,765,808,420.54/55,427.80
  6. Step 6: Final answer
    x = 49,899.30

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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.