Home / 75,374.82-104,018.52-41,386.44

Finding the Fourth Proportional to 75,374.82, 104,018.52 and 41,386.44

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Solution

The fourth proportional to 75,374.82, 104,018.52 and 41,386.44 is: 57,113.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,374.82 : 104,018.52 = 41,386.44 : x
  2. Step 2: Convert to fraction form
    75,374.82/104,018.52 = 41,386.44/x
  3. Step 3: Cross multiply
    75,374.82x = 104,018.52 × 41,386.44
  4. Step 4: Simplify right side
    75,374.82x = 4,304,956,236.87
  5. Step 5: Solve for x
    x = 4,304,956,236.87/75,374.82
  6. Step 6: Final answer
    x = 57,113.98

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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.