Home / 108,701.20-162,922.20-56,083.60

Finding the Fourth Proportional to 108,701.20, 162,922.20 and 56,083.60

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Solution

The fourth proportional to 108,701.20, 162,922.20 and 56,083.60 is: 84,058.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,701.20 : 162,922.20 = 56,083.60 : x
  2. Step 2: Convert to fraction form
    108,701.20/162,922.20 = 56,083.60/x
  3. Step 3: Cross multiply
    108,701.20x = 162,922.20 × 56,083.60
  4. Step 4: Simplify right side
    108,701.20x = 9,137,263,495.92
  5. Step 5: Solve for x
    x = 9,137,263,495.92/108,701.20
  6. Step 6: Final answer
    x = 84,058.53

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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.