Home / 70,010.58-104,994.30-20,077.26

Finding the Fourth Proportional to 70,010.58, 104,994.30 and 20,077.26

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Solution

The fourth proportional to 70,010.58, 104,994.30 and 20,077.26 is: 30,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,010.58 : 104,994.30 = 20,077.26 : x
  2. Step 2: Convert to fraction form
    70,010.58/104,994.30 = 20,077.26/x
  3. Step 3: Cross multiply
    70,010.58x = 104,994.30 × 20,077.26
  4. Step 4: Simplify right side
    70,010.58x = 2,107,997,859.62
  5. Step 5: Solve for x
    x = 2,107,997,859.62/70,010.58
  6. Step 6: Final answer
    x = 30,109.70

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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.