Home / 45,116.82-67,699.71-18,823.86

Finding the Fourth Proportional to 45,116.82, 67,699.71 and 18,823.86

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Solution

The fourth proportional to 45,116.82, 67,699.71 and 18,823.86 is: 28,246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,116.82 : 67,699.71 = 18,823.86 : x
  2. Step 2: Convert to fraction form
    45,116.82/67,699.71 = 18,823.86/x
  3. Step 3: Cross multiply
    45,116.82x = 67,699.71 × 18,823.86
  4. Step 4: Simplify right side
    45,116.82x = 1,274,369,863.08
  5. Step 5: Solve for x
    x = 1,274,369,863.08/45,116.82
  6. Step 6: Final answer
    x = 28,246.00

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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.