Home / 45,276.27-67,892.53-18,973.95

Finding the Fourth Proportional to 45,276.27, 67,892.53 and 18,973.95

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Solution

The fourth proportional to 45,276.27, 67,892.53 and 18,973.95 is: 28,451.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,276.27 : 67,892.53 = 18,973.95 : x
  2. Step 2: Convert to fraction form
    45,276.27/67,892.53 = 18,973.95/x
  3. Step 3: Cross multiply
    45,276.27x = 67,892.53 × 18,973.95
  4. Step 4: Simplify right side
    45,276.27x = 1,288,189,203.14
  5. Step 5: Solve for x
    x = 1,288,189,203.14/45,276.27
  6. Step 6: Final answer
    x = 28,451.75

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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.