Home / 53,255.50-79,884.69-16,319.50

Finding the Fourth Proportional to 53,255.50, 79,884.69 and 16,319.50

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Solution

The fourth proportional to 53,255.50, 79,884.69 and 16,319.50 is: 24,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,255.50 : 79,884.69 = 16,319.50 : x
  2. Step 2: Convert to fraction form
    53,255.50/79,884.69 = 16,319.50/x
  3. Step 3: Cross multiply
    53,255.50x = 79,884.69 × 16,319.50
  4. Step 4: Simplify right side
    53,255.50x = 1,303,678,198.46
  5. Step 5: Solve for x
    x = 1,303,678,198.46/53,255.50
  6. Step 6: Final answer
    x = 24,479.69

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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.