Home / 53,310.13-79,965.19-16,374.13

Finding the Fourth Proportional to 53,310.13, 79,965.19 and 16,374.13

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Solution

The fourth proportional to 53,310.13, 79,965.19 and 16,374.13 is: 24,561.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310.13 : 79,965.19 = 16,374.13 : x
  2. Step 2: Convert to fraction form
    53,310.13/79,965.19 = 16,374.13/x
  3. Step 3: Cross multiply
    53,310.13x = 79,965.19 × 16,374.13
  4. Step 4: Simplify right side
    53,310.13x = 1,309,360,416.53
  5. Step 5: Solve for x
    x = 1,309,360,416.53/53,310.13
  6. Step 6: Final answer
    x = 24,561.19

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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.