Home / 53,861.10-80,804.74-16,421.84

Finding the Fourth Proportional to 53,861.10, 80,804.74 and 16,421.84

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Solution

The fourth proportional to 53,861.10, 80,804.74 and 16,421.84 is: 24,636.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,861.10 : 80,804.74 = 16,421.84 : x
  2. Step 2: Convert to fraction form
    53,861.10/80,804.74 = 16,421.84/x
  3. Step 3: Cross multiply
    53,861.10x = 80,804.74 × 16,421.84
  4. Step 4: Simplify right side
    53,861.10x = 1,326,962,400.25
  5. Step 5: Solve for x
    x = 1,326,962,400.25/53,861.10
  6. Step 6: Final answer
    x = 24,636.75

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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.