Home / 45,151.28-67,733.27-18,850.04

Finding the Fourth Proportional to 45,151.28, 67,733.27 and 18,850.04

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Solution

The fourth proportional to 45,151.28, 67,733.27 and 18,850.04 is: 28,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,151.28 : 67,733.27 = 18,850.04 : x
  2. Step 2: Convert to fraction form
    45,151.28/67,733.27 = 18,850.04/x
  3. Step 3: Cross multiply
    45,151.28x = 67,733.27 × 18,850.04
  4. Step 4: Simplify right side
    45,151.28x = 1,276,774,848.83
  5. Step 5: Solve for x
    x = 1,276,774,848.83/45,151.28
  6. Step 6: Final answer
    x = 28,277.71

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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.