Home / 78,015.01-116,951.43-28,083.37

Finding the Fourth Proportional to 78,015.01, 116,951.43 and 28,083.37

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Solution

The fourth proportional to 78,015.01, 116,951.43 and 28,083.37 is: 42,099.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,015.01 : 116,951.43 = 28,083.37 : x
  2. Step 2: Convert to fraction form
    78,015.01/116,951.43 = 28,083.37/x
  3. Step 3: Cross multiply
    78,015.01x = 116,951.43 × 28,083.37
  4. Step 4: Simplify right side
    78,015.01x = 3,284,390,280.72
  5. Step 5: Solve for x
    x = 3,284,390,280.72/78,015.01
  6. Step 6: Final answer
    x = 42,099.47

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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.