Home / 70,866.21-106,033.16-43,382.85

Finding the Fourth Proportional to 70,866.21, 106,033.16 and 43,382.85

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Solution

The fourth proportional to 70,866.21, 106,033.16 and 43,382.85 is: 64,911.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,866.21 : 106,033.16 = 43,382.85 : x
  2. Step 2: Convert to fraction form
    70,866.21/106,033.16 = 43,382.85/x
  3. Step 3: Cross multiply
    70,866.21x = 106,033.16 × 43,382.85
  4. Step 4: Simplify right side
    70,866.21x = 4,600,020,458.39
  5. Step 5: Solve for x
    x = 4,600,020,458.39/70,866.21
  6. Step 6: Final answer
    x = 64,911.34

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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.