Home / 72,676.24-100,289.37-40,843.06

Finding the Fourth Proportional to 72,676.24, 100,289.37 and 40,843.06

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Solution

The fourth proportional to 72,676.24, 100,289.37 and 40,843.06 is: 56,361.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,676.24 : 100,289.37 = 40,843.06 : x
  2. Step 2: Convert to fraction form
    72,676.24/100,289.37 = 40,843.06/x
  3. Step 3: Cross multiply
    72,676.24x = 100,289.37 × 40,843.06
  4. Step 4: Simplify right side
    72,676.24x = 4,096,124,756.27
  5. Step 5: Solve for x
    x = 4,096,124,756.27/72,676.24
  6. Step 6: Final answer
    x = 56,361.26

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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.