Home / 55,045.80-75,975.30-36,184.68

Finding the Fourth Proportional to 55,045.80, 75,975.30 and 36,184.68

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Solution

The fourth proportional to 55,045.80, 75,975.30 and 36,184.68 is: 49,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,045.80 : 75,975.30 = 36,184.68 : x
  2. Step 2: Convert to fraction form
    55,045.80/75,975.30 = 36,184.68/x
  3. Step 3: Cross multiply
    55,045.80x = 75,975.30 × 36,184.68
  4. Step 4: Simplify right side
    55,045.80x = 2,749,141,918.40
  5. Step 5: Solve for x
    x = 2,749,141,918.40/55,045.80
  6. Step 6: Final answer
    x = 49,942.81

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Why These Related Problems?

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