Home / 108,069.12-162,026.06-51,111.41

Finding the Fourth Proportional to 108,069.12, 162,026.06 and 51,111.41

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Solution

The fourth proportional to 108,069.12, 162,026.06 and 51,111.41 is: 76,630.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,069.12 : 162,026.06 = 51,111.41 : x
  2. Step 2: Convert to fraction form
    108,069.12/162,026.06 = 51,111.41/x
  3. Step 3: Cross multiply
    108,069.12x = 162,026.06 × 51,111.41
  4. Step 4: Simplify right side
    108,069.12x = 8,281,379,317.66
  5. Step 5: Solve for x
    x = 8,281,379,317.66/108,069.12
  6. Step 6: Final answer
    x = 76,630.39

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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.