Home / 92,409.03-138,630.60-29,245.05

Finding the Fourth Proportional to 92,409.03, 138,630.60 and 29,245.05

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Solution

The fourth proportional to 92,409.03, 138,630.60 and 29,245.05 is: 43,872.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,409.03 : 138,630.60 = 29,245.05 : x
  2. Step 2: Convert to fraction form
    92,409.03/138,630.60 = 29,245.05/x
  3. Step 3: Cross multiply
    92,409.03x = 138,630.60 × 29,245.05
  4. Step 4: Simplify right side
    92,409.03x = 4,054,258,828.53
  5. Step 5: Solve for x
    x = 4,054,258,828.53/92,409.03
  6. Step 6: Final answer
    x = 43,872.97

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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.