Home / 82,538.62-123,761.46-26,365.53

Finding the Fourth Proportional to 82,538.62, 123,761.46 and 26,365.53

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Solution

The fourth proportional to 82,538.62, 123,761.46 and 26,365.53 is: 39,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,538.62 : 123,761.46 = 26,365.53 : x
  2. Step 2: Convert to fraction form
    82,538.62/123,761.46 = 26,365.53/x
  3. Step 3: Cross multiply
    82,538.62x = 123,761.46 × 26,365.53
  4. Step 4: Simplify right side
    82,538.62x = 3,263,036,486.47
  5. Step 5: Solve for x
    x = 3,263,036,486.47/82,538.62
  6. Step 6: Final answer
    x = 39,533.45

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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.