Home / 48,619.68-72,933.60-13,559.76

Finding the Fourth Proportional to 48,619.68, 72,933.60 and 13,559.76

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Solution

The fourth proportional to 48,619.68, 72,933.60 and 13,559.76 is: 20,340.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619.68 : 72,933.60 = 13,559.76 : x
  2. Step 2: Convert to fraction form
    48,619.68/72,933.60 = 13,559.76/x
  3. Step 3: Cross multiply
    48,619.68x = 72,933.60 × 13,559.76
  4. Step 4: Simplify right side
    48,619.68x = 988,962,111.94
  5. Step 5: Solve for x
    x = 988,962,111.94/48,619.68
  6. Step 6: Final answer
    x = 20,340.78

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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.