Home / 74,852.21-112,181.07-30,427.22

Finding the Fourth Proportional to 74,852.21, 112,181.07 and 30,427.22

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Solution

The fourth proportional to 74,852.21, 112,181.07 and 30,427.22 is: 45,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,852.21 : 112,181.07 = 30,427.22 : x
  2. Step 2: Convert to fraction form
    74,852.21/112,181.07 = 30,427.22/x
  3. Step 3: Cross multiply
    74,852.21x = 112,181.07 × 30,427.22
  4. Step 4: Simplify right side
    74,852.21x = 3,413,358,096.73
  5. Step 5: Solve for x
    x = 3,413,358,096.73/74,852.21
  6. Step 6: Final answer
    x = 45,601.30

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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.