Home / 53,238.30-73,468.70-30,578.76

Finding the Fourth Proportional to 53,238.30, 73,468.70 and 30,578.76

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Solution

The fourth proportional to 53,238.30, 73,468.70 and 30,578.76 is: 42,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,238.30 : 73,468.70 = 30,578.76 : x
  2. Step 2: Convert to fraction form
    53,238.30/73,468.70 = 30,578.76/x
  3. Step 3: Cross multiply
    53,238.30x = 73,468.70 × 30,578.76
  4. Step 4: Simplify right side
    53,238.30x = 2,246,581,591.92
  5. Step 5: Solve for x
    x = 2,246,581,591.92/53,238.30
  6. Step 6: Final answer
    x = 42,198.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.