Home / 55,103.51-76,021.03-35,977.18

Finding the Fourth Proportional to 55,103.51, 76,021.03 and 35,977.18

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Solution

The fourth proportional to 55,103.51, 76,021.03 and 35,977.18 is: 49,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,103.51 : 76,021.03 = 35,977.18 : x
  2. Step 2: Convert to fraction form
    55,103.51/76,021.03 = 35,977.18/x
  3. Step 3: Cross multiply
    55,103.51x = 76,021.03 × 35,977.18
  4. Step 4: Simplify right side
    55,103.51x = 2,735,022,280.10
  5. Step 5: Solve for x
    x = 2,735,022,280.10/55,103.51
  6. Step 6: Final answer
    x = 49,634.27

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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.