Home / 48,579.66-72,869.58-13,519.32

Finding the Fourth Proportional to 48,579.66, 72,869.58 and 13,519.32

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Solution

The fourth proportional to 48,579.66, 72,869.58 and 13,519.32 is: 20,279.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,579.66 : 72,869.58 = 13,519.32 : x
  2. Step 2: Convert to fraction form
    48,579.66/72,869.58 = 13,519.32/x
  3. Step 3: Cross multiply
    48,579.66x = 72,869.58 × 13,519.32
  4. Step 4: Simplify right side
    48,579.66x = 985,147,170.29
  5. Step 5: Solve for x
    x = 985,147,170.29/48,579.66
  6. Step 6: Final answer
    x = 20,279.01

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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.