Home / 55,842.56-83,763.72-14,289.44

Finding the Fourth Proportional to 55,842.56, 83,763.72 and 14,289.44

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Solution

The fourth proportional to 55,842.56, 83,763.72 and 14,289.44 is: 21,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,842.56 : 83,763.72 = 14,289.44 : x
  2. Step 2: Convert to fraction form
    55,842.56/83,763.72 = 14,289.44/x
  3. Step 3: Cross multiply
    55,842.56x = 83,763.72 × 14,289.44
  4. Step 4: Simplify right side
    55,842.56x = 1,196,936,651.12
  5. Step 5: Solve for x
    x = 1,196,936,651.12/55,842.56
  6. Step 6: Final answer
    x = 21,434.13

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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.