Home / 80,447.36-111,017.85-44,638.07

Finding the Fourth Proportional to 80,447.36, 111,017.85 and 44,638.07

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Solution

The fourth proportional to 80,447.36, 111,017.85 and 44,638.07 is: 61,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,447.36 : 111,017.85 = 44,638.07 : x
  2. Step 2: Convert to fraction form
    80,447.36/111,017.85 = 44,638.07/x
  3. Step 3: Cross multiply
    80,447.36x = 111,017.85 × 44,638.07
  4. Step 4: Simplify right side
    80,447.36x = 4,955,622,559.55
  5. Step 5: Solve for x
    x = 4,955,622,559.55/80,447.36
  6. Step 6: Final answer
    x = 61,600.81

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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.