Home / 69,780.04-104,679.30-22,379.32

Finding the Fourth Proportional to 69,780.04, 104,679.30 and 22,379.32

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Solution

The fourth proportional to 69,780.04, 104,679.30 and 22,379.32 is: 33,571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,780.04 : 104,679.30 = 22,379.32 : x
  2. Step 2: Convert to fraction form
    69,780.04/104,679.30 = 22,379.32/x
  3. Step 3: Cross multiply
    69,780.04x = 104,679.30 × 22,379.32
  4. Step 4: Simplify right side
    69,780.04x = 2,342,651,552.08
  5. Step 5: Solve for x
    x = 2,342,651,552.08/69,780.04
  6. Step 6: Final answer
    x = 33,571.94

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1.5x scale

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.