Home / 73,051.28-109,581.80-25,660.64

Finding the Fourth Proportional to 73,051.28, 109,581.80 and 25,660.64

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Solution

The fourth proportional to 73,051.28, 109,581.80 and 25,660.64 is: 38,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,051.28 : 109,581.80 = 25,660.64 : x
  2. Step 2: Convert to fraction form
    73,051.28/109,581.80 = 25,660.64/x
  3. Step 3: Cross multiply
    73,051.28x = 109,581.80 × 25,660.64
  4. Step 4: Simplify right side
    73,051.28x = 2,811,939,120.35
  5. Step 5: Solve for x
    x = 2,811,939,120.35/73,051.28
  6. Step 6: Final answer
    x = 38,492.67

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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.