Home / 73,120.20-100,907.71-41,289.33

Finding the Fourth Proportional to 73,120.20, 100,907.71 and 41,289.33

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Solution

The fourth proportional to 73,120.20, 100,907.71 and 41,289.33 is: 56,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,120.20 : 100,907.71 = 41,289.33 : x
  2. Step 2: Convert to fraction form
    73,120.20/100,907.71 = 41,289.33/x
  3. Step 3: Cross multiply
    73,120.20x = 100,907.71 × 41,289.33
  4. Step 4: Simplify right side
    73,120.20x = 4,166,411,737.73
  5. Step 5: Solve for x
    x = 4,166,411,737.73/73,120.20
  6. Step 6: Final answer
    x = 56,980.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.