Home / 70,811.82-97,722.25-38,982.67

Finding the Fourth Proportional to 70,811.82, 97,722.25 and 38,982.67

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Solution

The fourth proportional to 70,811.82, 97,722.25 and 38,982.67 is: 53,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,811.82 : 97,722.25 = 38,982.67 : x
  2. Step 2: Convert to fraction form
    70,811.82/97,722.25 = 38,982.67/x
  3. Step 3: Cross multiply
    70,811.82x = 97,722.25 × 38,982.67
  4. Step 4: Simplify right side
    70,811.82x = 3,809,473,881.65
  5. Step 5: Solve for x
    x = 3,809,473,881.65/70,811.82
  6. Step 6: Final answer
    x = 53,797.15

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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.