Home / 108,557.21-162,840.38-29,671.22

Finding the Fourth Proportional to 108,557.21, 162,840.38 and 29,671.22

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Solution

The fourth proportional to 108,557.21, 162,840.38 and 29,671.22 is: 44,508.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,557.21 : 162,840.38 = 29,671.22 : x
  2. Step 2: Convert to fraction form
    108,557.21/162,840.38 = 29,671.22/x
  3. Step 3: Cross multiply
    108,557.21x = 162,840.38 × 29,671.22
  4. Step 4: Simplify right side
    108,557.21x = 4,831,671,777.31
  5. Step 5: Solve for x
    x = 4,831,671,777.31/108,557.21
  6. Step 6: Final answer
    x = 44,508.07

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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.