Home / 74,437.84-102,736.47-54,361.18

Finding the Fourth Proportional to 74,437.84, 102,736.47 and 54,361.18

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Solution

The fourth proportional to 74,437.84, 102,736.47 and 54,361.18 is: 75,027.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,437.84 : 102,736.47 = 54,361.18 : x
  2. Step 2: Convert to fraction form
    74,437.84/102,736.47 = 54,361.18/x
  3. Step 3: Cross multiply
    74,437.84x = 102,736.47 × 54,361.18
  4. Step 4: Simplify right side
    74,437.84x = 5,584,875,764.73
  5. Step 5: Solve for x
    x = 5,584,875,764.73/74,437.84
  6. Step 6: Final answer
    x = 75,027.37

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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.