Home / 75,704.64-113,657.44-64,682.16

Finding the Fourth Proportional to 75,704.64, 113,657.44 and 64,682.16

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Solution

The fourth proportional to 75,704.64, 113,657.44 and 64,682.16 is: 97,109.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,704.64 : 113,657.44 = 64,682.16 : x
  2. Step 2: Convert to fraction form
    75,704.64/113,657.44 = 64,682.16/x
  3. Step 3: Cross multiply
    75,704.64x = 113,657.44 × 64,682.16
  4. Step 4: Simplify right side
    75,704.64x = 7,351,608,719.27
  5. Step 5: Solve for x
    x = 7,351,608,719.27/75,704.64
  6. Step 6: Final answer
    x = 97,109.09

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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.