Home / 75,984.24-113,999.40-53,840.52

Finding the Fourth Proportional to 75,984.24, 113,999.40 and 53,840.52

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Solution

The fourth proportional to 75,984.24, 113,999.40 and 53,840.52 is: 80,777.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,984.24 : 113,999.40 = 53,840.52 : x
  2. Step 2: Convert to fraction form
    75,984.24/113,999.40 = 53,840.52/x
  3. Step 3: Cross multiply
    75,984.24x = 113,999.40 × 53,840.52
  4. Step 4: Simplify right side
    75,984.24x = 6,137,786,975.69
  5. Step 5: Solve for x
    x = 6,137,786,975.69/75,984.24
  6. Step 6: Final answer
    x = 80,777.11

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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.