Home / 97,015.20-133,839.60-55,600.28

Finding the Fourth Proportional to 97,015.20, 133,839.60 and 55,600.28

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Solution

The fourth proportional to 97,015.20, 133,839.60 and 55,600.28 is: 76,704.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,015.20 : 133,839.60 = 55,600.28 : x
  2. Step 2: Convert to fraction form
    97,015.20/133,839.60 = 55,600.28/x
  3. Step 3: Cross multiply
    97,015.20x = 133,839.60 × 55,600.28
  4. Step 4: Simplify right side
    97,015.20x = 7,441,519,235.09
  5. Step 5: Solve for x
    x = 7,441,519,235.09/97,015.20
  6. Step 6: Final answer
    x = 76,704.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.