Home / 53,860.91-80,788.53-16,420.08

Finding the Fourth Proportional to 53,860.91, 80,788.53 and 16,420.08

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Solution

The fourth proportional to 53,860.91, 80,788.53 and 16,420.08 is: 24,629.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,860.91 : 80,788.53 = 16,420.08 : x
  2. Step 2: Convert to fraction form
    53,860.91/80,788.53 = 16,420.08/x
  3. Step 3: Cross multiply
    53,860.91x = 80,788.53 × 16,420.08
  4. Step 4: Simplify right side
    53,860.91x = 1,326,554,125.68
  5. Step 5: Solve for x
    x = 1,326,554,125.68/53,860.91
  6. Step 6: Final answer
    x = 24,629.26

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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.