Home / 43,935.06-65,912.27-12,772.74

Finding the Fourth Proportional to 43,935.06, 65,912.27 and 12,772.74

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Solution

The fourth proportional to 43,935.06, 65,912.27 and 12,772.74 is: 19,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,935.06 : 65,912.27 = 12,772.74 : x
  2. Step 2: Convert to fraction form
    43,935.06/65,912.27 = 12,772.74/x
  3. Step 3: Cross multiply
    43,935.06x = 65,912.27 × 12,772.74
  4. Step 4: Simplify right side
    43,935.06x = 841,880,287.52
  5. Step 5: Solve for x
    x = 841,880,287.52/43,935.06
  6. Step 6: Final answer
    x = 19,161.92

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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.