Home / 74,474.19-102,690.96-69,750.27

Finding the Fourth Proportional to 74,474.19, 102,690.96 and 69,750.27

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Solution

The fourth proportional to 74,474.19, 102,690.96 and 69,750.27 is: 96,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,474.19 : 102,690.96 = 69,750.27 : x
  2. Step 2: Convert to fraction form
    74,474.19/102,690.96 = 69,750.27/x
  3. Step 3: Cross multiply
    74,474.19x = 102,690.96 × 69,750.27
  4. Step 4: Simplify right side
    74,474.19x = 7,162,722,186.56
  5. Step 5: Solve for x
    x = 7,162,722,186.56/74,474.19
  6. Step 6: Final answer
    x = 96,177.24

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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.