Home / 43,935.68-65,905.76-12,773.44

Finding the Fourth Proportional to 43,935.68, 65,905.76 and 12,773.44

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Solution

The fourth proportional to 43,935.68, 65,905.76 and 12,773.44 is: 19,160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,935.68 : 65,905.76 = 12,773.44 : x
  2. Step 2: Convert to fraction form
    43,935.68/65,905.76 = 12,773.44/x
  3. Step 3: Cross multiply
    43,935.68x = 65,905.76 × 12,773.44
  4. Step 4: Simplify right side
    43,935.68x = 841,843,271.01
  5. Step 5: Solve for x
    x = 841,843,271.01/43,935.68
  6. Step 6: Final answer
    x = 19,160.81

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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.