Home / 74,534.37-111,787.29-28,942.08

Finding the Fourth Proportional to 74,534.37, 111,787.29 and 28,942.08

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Solution

The fourth proportional to 74,534.37, 111,787.29 and 28,942.08 is: 43,407.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,534.37 : 111,787.29 = 28,942.08 : x
  2. Step 2: Convert to fraction form
    74,534.37/111,787.29 = 28,942.08/x
  3. Step 3: Cross multiply
    74,534.37x = 111,787.29 × 28,942.08
  4. Step 4: Simplify right side
    74,534.37x = 3,235,356,690.16
  5. Step 5: Solve for x
    x = 3,235,356,690.16/74,534.37
  6. Step 6: Final answer
    x = 43,407.58

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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.