Home / 67,382.21-100,907.24-42,360.20

Finding the Fourth Proportional to 67,382.21, 100,907.24 and 42,360.20

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Solution

The fourth proportional to 67,382.21, 100,907.24 and 42,360.20 is: 63,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,382.21 : 100,907.24 = 42,360.20 : x
  2. Step 2: Convert to fraction form
    67,382.21/100,907.24 = 42,360.20/x
  3. Step 3: Cross multiply
    67,382.21x = 100,907.24 × 42,360.20
  4. Step 4: Simplify right side
    67,382.21x = 4,274,450,529.91
  5. Step 5: Solve for x
    x = 4,274,450,529.91/67,382.21
  6. Step 6: Final answer
    x = 63,435.89

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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.