Home / 75,828.26-113,650.15-53,648.03

Finding the Fourth Proportional to 75,828.26, 113,650.15 and 53,648.03

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Solution

The fourth proportional to 75,828.26, 113,650.15 and 53,648.03 is: 80,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,828.26 : 113,650.15 = 53,648.03 : x
  2. Step 2: Convert to fraction form
    75,828.26/113,650.15 = 53,648.03/x
  3. Step 3: Cross multiply
    75,828.26x = 113,650.15 × 53,648.03
  4. Step 4: Simplify right side
    75,828.26x = 6,097,106,656.70
  5. Step 5: Solve for x
    x = 6,097,106,656.70/75,828.26
  6. Step 6: Final answer
    x = 80,406.79

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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.