Home / 107,511.02-161,269.36-28,625.38

Finding the Fourth Proportional to 107,511.02, 161,269.36 and 28,625.38

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Solution

The fourth proportional to 107,511.02, 161,269.36 and 28,625.38 is: 42,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,511.02 : 161,269.36 = 28,625.38 : x
  2. Step 2: Convert to fraction form
    107,511.02/161,269.36 = 28,625.38/x
  3. Step 3: Cross multiply
    107,511.02x = 161,269.36 × 28,625.38
  4. Step 4: Simplify right side
    107,511.02x = 4,616,396,712.36
  5. Step 5: Solve for x
    x = 4,616,396,712.36/107,511.02
  6. Step 6: Final answer
    x = 42,938.82

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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.