Home / 52,745.12-79,173.24-51,555.02

Finding the Fourth Proportional to 52,745.12, 79,173.24 and 51,555.02

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Solution

The fourth proportional to 52,745.12, 79,173.24 and 51,555.02 is: 77,386.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,745.12 : 79,173.24 = 51,555.02 : x
  2. Step 2: Convert to fraction form
    52,745.12/79,173.24 = 51,555.02/x
  3. Step 3: Cross multiply
    52,745.12x = 79,173.24 × 51,555.02
  4. Step 4: Simplify right side
    52,745.12x = 4,081,777,971.66
  5. Step 5: Solve for x
    x = 4,081,777,971.66/52,745.12
  6. Step 6: Final answer
    x = 77,386.84

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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.