Home / 75,378.03-112,933.99-45,735.67

Finding the Fourth Proportional to 75,378.03, 112,933.99 and 45,735.67

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Solution

The fourth proportional to 75,378.03, 112,933.99 and 45,735.67 is: 68,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,378.03 : 112,933.99 = 45,735.67 : x
  2. Step 2: Convert to fraction form
    75,378.03/112,933.99 = 45,735.67/x
  3. Step 3: Cross multiply
    75,378.03x = 112,933.99 × 45,735.67
  4. Step 4: Simplify right side
    75,378.03x = 5,165,111,698.42
  5. Step 5: Solve for x
    x = 5,165,111,698.42/75,378.03
  6. Step 6: Final answer
    x = 68,522.77

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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.