Home / 70,428.26-105,666.68-44,101.64

Finding the Fourth Proportional to 70,428.26, 105,666.68 and 44,101.64

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Solution

The fourth proportional to 70,428.26, 105,666.68 and 44,101.64 is: 66,167.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,428.26 : 105,666.68 = 44,101.64 : x
  2. Step 2: Convert to fraction form
    70,428.26/105,666.68 = 44,101.64/x
  3. Step 3: Cross multiply
    70,428.26x = 105,666.68 × 44,101.64
  4. Step 4: Simplify right side
    70,428.26x = 4,660,073,463.28
  5. Step 5: Solve for x
    x = 4,660,073,463.28/70,428.26
  6. Step 6: Final answer
    x = 66,167.67

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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.