Home / 53,185.02-79,777.27-15,745.31

Finding the Fourth Proportional to 53,185.02, 79,777.27 and 15,745.31

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Solution

The fourth proportional to 53,185.02, 79,777.27 and 15,745.31 is: 23,617.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,185.02 : 79,777.27 = 15,745.31 : x
  2. Step 2: Convert to fraction form
    53,185.02/79,777.27 = 15,745.31/x
  3. Step 3: Cross multiply
    53,185.02x = 79,777.27 × 15,745.31
  4. Step 4: Simplify right side
    53,185.02x = 1,256,117,847.10
  5. Step 5: Solve for x
    x = 1,256,117,847.10/53,185.02
  6. Step 6: Final answer
    x = 23,617.89

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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.