Home / 79,589.12-119,342.60-23,421.94

Finding the Fourth Proportional to 79,589.12, 119,342.60 and 23,421.94

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Solution

The fourth proportional to 79,589.12, 119,342.60 and 23,421.94 is: 35,120.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,589.12 : 119,342.60 = 23,421.94 : x
  2. Step 2: Convert to fraction form
    79,589.12/119,342.60 = 23,421.94/x
  3. Step 3: Cross multiply
    79,589.12x = 119,342.60 × 23,421.94
  4. Step 4: Simplify right side
    79,589.12x = 2,795,235,216.64
  5. Step 5: Solve for x
    x = 2,795,235,216.64/79,589.12
  6. Step 6: Final answer
    x = 35,120.82

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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.