Home / 74,921.73-112,399.02-28,174.59

Finding the Fourth Proportional to 74,921.73, 112,399.02 and 28,174.59

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Solution

The fourth proportional to 74,921.73, 112,399.02 and 28,174.59 is: 42,268.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,921.73 : 112,399.02 = 28,174.59 : x
  2. Step 2: Convert to fraction form
    74,921.73/112,399.02 = 28,174.59/x
  3. Step 3: Cross multiply
    74,921.73x = 112,399.02 × 28,174.59
  4. Step 4: Simplify right side
    74,921.73x = 3,166,796,304.90
  5. Step 5: Solve for x
    x = 3,166,796,304.90/74,921.73
  6. Step 6: Final answer
    x = 42,268.06

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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.