Home / 48,690.23-73,039.59-13,629.98

Finding the Fourth Proportional to 48,690.23, 73,039.59 and 13,629.98

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Solution

The fourth proportional to 48,690.23, 73,039.59 and 13,629.98 is: 20,446.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,690.23 : 73,039.59 = 13,629.98 : x
  2. Step 2: Convert to fraction form
    48,690.23/73,039.59 = 13,629.98/x
  3. Step 3: Cross multiply
    48,690.23x = 73,039.59 × 13,629.98
  4. Step 4: Simplify right side
    48,690.23x = 995,528,333.51
  5. Step 5: Solve for x
    x = 995,528,333.51/48,690.23
  6. Step 6: Final answer
    x = 20,446.16

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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.