Home / 43,158.27-64,737.57-11,993.52

Finding the Fourth Proportional to 43,158.27, 64,737.57 and 11,993.52

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Solution

The fourth proportional to 43,158.27, 64,737.57 and 11,993.52 is: 17,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,158.27 : 64,737.57 = 11,993.52 : x
  2. Step 2: Convert to fraction form
    43,158.27/64,737.57 = 11,993.52/x
  3. Step 3: Cross multiply
    43,158.27x = 64,737.57 × 11,993.52
  4. Step 4: Simplify right side
    43,158.27x = 776,431,340.55
  5. Step 5: Solve for x
    x = 776,431,340.55/43,158.27
  6. Step 6: Final answer
    x = 17,990.33

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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.