Home / 51,447.66-77,186.08-16,390.02

Finding the Fourth Proportional to 51,447.66, 77,186.08 and 16,390.02

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Solution

The fourth proportional to 51,447.66, 77,186.08 and 16,390.02 is: 24,589.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,447.66 : 77,186.08 = 16,390.02 : x
  2. Step 2: Convert to fraction form
    51,447.66/77,186.08 = 16,390.02/x
  3. Step 3: Cross multiply
    51,447.66x = 77,186.08 × 16,390.02
  4. Step 4: Simplify right side
    51,447.66x = 1,265,081,394.92
  5. Step 5: Solve for x
    x = 1,265,081,394.92/51,447.66
  6. Step 6: Final answer
    x = 24,589.68

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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.