Home / 52,765.41-79,147.96-40,775.01

Finding the Fourth Proportional to 52,765.41, 79,147.96 and 40,775.01

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Solution

The fourth proportional to 52,765.41, 79,147.96 and 40,775.01 is: 61,162.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,765.41 : 79,147.96 = 40,775.01 : x
  2. Step 2: Convert to fraction form
    52,765.41/79,147.96 = 40,775.01/x
  3. Step 3: Cross multiply
    52,765.41x = 79,147.96 × 40,775.01
  4. Step 4: Simplify right side
    52,765.41x = 3,227,258,758.54
  5. Step 5: Solve for x
    x = 3,227,258,758.54/52,765.41
  6. Step 6: Final answer
    x = 61,162.39

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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.