Home / 55,775.38-83,676.25-18,335.56

Finding the Fourth Proportional to 55,775.38, 83,676.25 and 18,335.56

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Solution

The fourth proportional to 55,775.38, 83,676.25 and 18,335.56 is: 27,507.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775.38 : 83,676.25 = 18,335.56 : x
  2. Step 2: Convert to fraction form
    55,775.38/83,676.25 = 18,335.56/x
  3. Step 3: Cross multiply
    55,775.38x = 83,676.25 × 18,335.56
  4. Step 4: Simplify right side
    55,775.38x = 1,534,250,902.45
  5. Step 5: Solve for x
    x = 1,534,250,902.45/55,775.38
  6. Step 6: Final answer
    x = 27,507.67

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1.5x scale

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.