Home / 43,107.12-64,658.88-11,941.56

Finding the Fourth Proportional to 43,107.12, 64,658.88 and 11,941.56

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Solution

The fourth proportional to 43,107.12, 64,658.88 and 11,941.56 is: 17,911.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,107.12 : 64,658.88 = 11,941.56 : x
  2. Step 2: Convert to fraction form
    43,107.12/64,658.88 = 11,941.56/x
  3. Step 3: Cross multiply
    43,107.12x = 64,658.88 × 11,941.56
  4. Step 4: Simplify right side
    43,107.12x = 772,127,895.05
  5. Step 5: Solve for x
    x = 772,127,895.05/43,107.12
  6. Step 6: Final answer
    x = 17,911.84

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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.