Home / 97,093.20-133,919.60-64,811.56

Finding the Fourth Proportional to 97,093.20, 133,919.60 and 64,811.56

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Solution

The fourth proportional to 97,093.20, 133,919.60 and 64,811.56 is: 89,393.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,093.20 : 133,919.60 = 64,811.56 : x
  2. Step 2: Convert to fraction form
    97,093.20/133,919.60 = 64,811.56/x
  3. Step 3: Cross multiply
    97,093.20x = 133,919.60 × 64,811.56
  4. Step 4: Simplify right side
    97,093.20x = 8,679,538,190.58
  5. Step 5: Solve for x
    x = 8,679,538,190.58/97,093.20
  6. Step 6: Final answer
    x = 89,393.88

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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.