Home / 74,048.58-111,074.04-21,458.34

Finding the Fourth Proportional to 74,048.58, 111,074.04 and 21,458.34

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Solution

The fourth proportional to 74,048.58, 111,074.04 and 21,458.34 is: 32,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,048.58 : 111,074.04 = 21,458.34 : x
  2. Step 2: Convert to fraction form
    74,048.58/111,074.04 = 21,458.34/x
  3. Step 3: Cross multiply
    74,048.58x = 111,074.04 × 21,458.34
  4. Step 4: Simplify right side
    74,048.58x = 2,383,464,515.49
  5. Step 5: Solve for x
    x = 2,383,464,515.49/74,048.58
  6. Step 6: Final answer
    x = 32,187.85

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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.