Home / 42,012.44-57,983.35-27,669.99

Finding the Fourth Proportional to 42,012.44, 57,983.35 and 27,669.99

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Solution

The fourth proportional to 42,012.44, 57,983.35 and 27,669.99 is: 38,188.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012.44 : 57,983.35 = 27,669.99 : x
  2. Step 2: Convert to fraction form
    42,012.44/57,983.35 = 27,669.99/x
  3. Step 3: Cross multiply
    42,012.44x = 57,983.35 × 27,669.99
  4. Step 4: Simplify right side
    42,012.44x = 1,604,398,852.73
  5. Step 5: Solve for x
    x = 1,604,398,852.73/42,012.44
  6. Step 6: Final answer
    x = 38,188.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.