Home / 49,151.36-73,727.09-12,215.36

Finding the Fourth Proportional to 49,151.36, 73,727.09 and 12,215.36

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Solution

The fourth proportional to 49,151.36, 73,727.09 and 12,215.36 is: 18,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,151.36 : 73,727.09 = 12,215.36 : x
  2. Step 2: Convert to fraction form
    49,151.36/73,727.09 = 12,215.36/x
  3. Step 3: Cross multiply
    49,151.36x = 73,727.09 × 12,215.36
  4. Step 4: Simplify right side
    49,151.36x = 900,602,516.39
  5. Step 5: Solve for x
    x = 900,602,516.39/49,151.36
  6. Step 6: Final answer
    x = 18,323.05

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1.5x scale

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.