Home / 55,869.85-83,807.36-18,433.19

Finding the Fourth Proportional to 55,869.85, 83,807.36 and 18,433.19

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Solution

The fourth proportional to 55,869.85, 83,807.36 and 18,433.19 is: 27,650.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,869.85 : 83,807.36 = 18,433.19 : x
  2. Step 2: Convert to fraction form
    55,869.85/83,807.36 = 18,433.19/x
  3. Step 3: Cross multiply
    55,869.85x = 83,807.36 × 18,433.19
  4. Step 4: Simplify right side
    55,869.85x = 1,544,837,107.63
  5. Step 5: Solve for x
    x = 1,544,837,107.63/55,869.85
  6. Step 6: Final answer
    x = 27,650.64

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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.