Home / 53,269.17-79,889.91-15,819.19

Finding the Fourth Proportional to 53,269.17, 79,889.91 and 15,819.19

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Solution

The fourth proportional to 53,269.17, 79,889.91 and 15,819.19 is: 23,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,269.17 : 79,889.91 = 15,819.19 : x
  2. Step 2: Convert to fraction form
    53,269.17/79,889.91 = 15,819.19/x
  3. Step 3: Cross multiply
    53,269.17x = 79,889.91 × 15,819.19
  4. Step 4: Simplify right side
    53,269.17x = 1,263,793,416.33
  5. Step 5: Solve for x
    x = 1,263,793,416.33/53,269.17
  6. Step 6: Final answer
    x = 23,724.67

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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.