Home / 55,289.81-82,935.29-13,736.81

Finding the Fourth Proportional to 55,289.81, 82,935.29 and 13,736.81

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Solution

The fourth proportional to 55,289.81, 82,935.29 and 13,736.81 is: 20,605.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,289.81 : 82,935.29 = 13,736.81 : x
  2. Step 2: Convert to fraction form
    55,289.81/82,935.29 = 13,736.81/x
  3. Step 3: Cross multiply
    55,289.81x = 82,935.29 × 13,736.81
  4. Step 4: Simplify right side
    55,289.81x = 1,139,266,562.71
  5. Step 5: Solve for x
    x = 1,139,266,562.71/55,289.81
  6. Step 6: Final answer
    x = 20,605.36

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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.