Home / 55,765.67-83,648.63-39,199.75

Finding the Fourth Proportional to 55,765.67, 83,648.63 and 39,199.75

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Solution

The fourth proportional to 55,765.67, 83,648.63 and 39,199.75 is: 58,799.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,765.67 : 83,648.63 = 39,199.75 : x
  2. Step 2: Convert to fraction form
    55,765.67/83,648.63 = 39,199.75/x
  3. Step 3: Cross multiply
    55,765.67x = 83,648.63 × 39,199.75
  4. Step 4: Simplify right side
    55,765.67x = 3,279,005,272.72
  5. Step 5: Solve for x
    x = 3,279,005,272.72/55,765.67
  6. Step 6: Final answer
    x = 58,799.72

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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.