Home / 108,078.96-162,112.32-29,187.24

Finding the Fourth Proportional to 108,078.96, 162,112.32 and 29,187.24

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Solution

The fourth proportional to 108,078.96, 162,112.32 and 29,187.24 is: 43,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,078.96 : 162,112.32 = 29,187.24 : x
  2. Step 2: Convert to fraction form
    108,078.96/162,112.32 = 29,187.24/x
  3. Step 3: Cross multiply
    108,078.96x = 162,112.32 × 29,187.24
  4. Step 4: Simplify right side
    108,078.96x = 4,731,611,190.80
  5. Step 5: Solve for x
    x = 4,731,611,190.80/108,078.96
  6. Step 6: Final answer
    x = 43,779.21

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1.5x scale

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.