Home / 55,745.02-76,923-33,080.11

Finding the Fourth Proportional to 55,745.02, 76,923 and 33,080.11

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Solution

The fourth proportional to 55,745.02, 76,923 and 33,080.11 is: 45,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,745.02 : 76,923 = 33,080.11 : x
  2. Step 2: Convert to fraction form
    55,745.02/76,923 = 33,080.11/x
  3. Step 3: Cross multiply
    55,745.02x = 76,923 × 33,080.11
  4. Step 4: Simplify right side
    55,745.02x = 2,544,621,301.53
  5. Step 5: Solve for x
    x = 2,544,621,301.53/55,745.02
  6. Step 6: Final answer
    x = 45,647.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.