Home / 78,901.73-118,352.60-32,146.37

Finding the Fourth Proportional to 78,901.73, 118,352.60 and 32,146.37

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Solution

The fourth proportional to 78,901.73, 118,352.60 and 32,146.37 is: 48,219.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,901.73 : 118,352.60 = 32,146.37 : x
  2. Step 2: Convert to fraction form
    78,901.73/118,352.60 = 32,146.37/x
  3. Step 3: Cross multiply
    78,901.73x = 118,352.60 × 32,146.37
  4. Step 4: Simplify right side
    78,901.73x = 3,804,606,309.33
  5. Step 5: Solve for x
    x = 3,804,606,309.33/78,901.73
  6. Step 6: Final answer
    x = 48,219.56

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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.