Home / 53,194.45-79,556.40-47,312.62

Finding the Fourth Proportional to 53,194.45, 79,556.40 and 47,312.62

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Solution

The fourth proportional to 53,194.45, 79,556.40 and 47,312.62 is: 70,759.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,194.45 : 79,556.40 = 47,312.62 : x
  2. Step 2: Convert to fraction form
    53,194.45/79,556.40 = 47,312.62/x
  3. Step 3: Cross multiply
    53,194.45x = 79,556.40 × 47,312.62
  4. Step 4: Simplify right side
    53,194.45x = 3,764,021,700.30
  5. Step 5: Solve for x
    x = 3,764,021,700.30/53,194.45
  6. Step 6: Final answer
    x = 70,759.67

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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.