Home / 73,500.86-110,163.80-42,270.50

Finding the Fourth Proportional to 73,500.86, 110,163.80 and 42,270.50

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Solution

The fourth proportional to 73,500.86, 110,163.80 and 42,270.50 is: 63,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,500.86 : 110,163.80 = 42,270.50 : x
  2. Step 2: Convert to fraction form
    73,500.86/110,163.80 = 42,270.50/x
  3. Step 3: Cross multiply
    73,500.86x = 110,163.80 × 42,270.50
  4. Step 4: Simplify right side
    73,500.86x = 4,656,678,907.90
  5. Step 5: Solve for x
    x = 4,656,678,907.90/73,500.86
  6. Step 6: Final answer
    x = 63,355.43

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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.