Home / 55,293.36-82,940.01-13,740.36

Finding the Fourth Proportional to 55,293.36, 82,940.01 and 13,740.36

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Solution

The fourth proportional to 55,293.36, 82,940.01 and 13,740.36 is: 20,610.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,293.36 : 82,940.01 = 13,740.36 : x
  2. Step 2: Convert to fraction form
    55,293.36/82,940.01 = 13,740.36/x
  3. Step 3: Cross multiply
    55,293.36x = 82,940.01 × 13,740.36
  4. Step 4: Simplify right side
    55,293.36x = 1,139,625,595.80
  5. Step 5: Solve for x
    x = 1,139,625,595.80/55,293.36
  6. Step 6: Final answer
    x = 20,610.53

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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.