Home / 108,307.73-162,326.30-52,137.41

Finding the Fourth Proportional to 108,307.73, 162,326.30 and 52,137.41

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Solution

The fourth proportional to 108,307.73, 162,326.30 and 52,137.41 is: 78,140.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,307.73 : 162,326.30 = 52,137.41 : x
  2. Step 2: Convert to fraction form
    108,307.73/162,326.30 = 52,137.41/x
  3. Step 3: Cross multiply
    108,307.73x = 162,326.30 × 52,137.41
  4. Step 4: Simplify right side
    108,307.73x = 8,463,271,784.56
  5. Step 5: Solve for x
    x = 8,463,271,784.56/108,307.73
  6. Step 6: Final answer
    x = 78,140.97

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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.