Home / 43,155.21-64,739.20-22,107.16

Finding the Fourth Proportional to 43,155.21, 64,739.20 and 22,107.16

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Solution

The fourth proportional to 43,155.21, 64,739.20 and 22,107.16 is: 33,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,155.21 : 64,739.20 = 22,107.16 : x
  2. Step 2: Convert to fraction form
    43,155.21/64,739.20 = 22,107.16/x
  3. Step 3: Cross multiply
    43,155.21x = 64,739.20 × 22,107.16
  4. Step 4: Simplify right side
    43,155.21x = 1,431,199,852.67
  5. Step 5: Solve for x
    x = 1,431,199,852.67/43,155.21
  6. Step 6: Final answer
    x = 33,164.01

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1.5x scale

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.