Home / 70,076.05-105,051.58-25,692.46

Finding the Fourth Proportional to 70,076.05, 105,051.58 and 25,692.46

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Solution

The fourth proportional to 70,076.05, 105,051.58 and 25,692.46 is: 38,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,076.05 : 105,051.58 = 25,692.46 : x
  2. Step 2: Convert to fraction form
    70,076.05/105,051.58 = 25,692.46/x
  3. Step 3: Cross multiply
    70,076.05x = 105,051.58 × 25,692.46
  4. Step 4: Simplify right side
    70,076.05x = 2,699,033,517.09
  5. Step 5: Solve for x
    x = 2,699,033,517.09/70,076.05
  6. Step 6: Final answer
    x = 38,515.78

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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.