Home / 108,079.46-162,113.07-29,187.74

Finding the Fourth Proportional to 108,079.46, 162,113.07 and 29,187.74

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Solution

The fourth proportional to 108,079.46, 162,113.07 and 29,187.74 is: 43,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,079.46 : 162,113.07 = 29,187.74 : x
  2. Step 2: Convert to fraction form
    108,079.46/162,113.07 = 29,187.74/x
  3. Step 3: Cross multiply
    108,079.46x = 162,113.07 × 29,187.74
  4. Step 4: Simplify right side
    108,079.46x = 4,731,714,137.76
  5. Step 5: Solve for x
    x = 4,731,714,137.76/108,079.46
  6. Step 6: Final answer
    x = 43,779.96

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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.