Home / 79,878.36-119,835.18-23,723.04

Finding the Fourth Proportional to 79,878.36, 119,835.18 and 23,723.04

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Solution

The fourth proportional to 79,878.36, 119,835.18 and 23,723.04 is: 35,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,878.36 : 119,835.18 = 23,723.04 : x
  2. Step 2: Convert to fraction form
    79,878.36/119,835.18 = 23,723.04/x
  3. Step 3: Cross multiply
    79,878.36x = 119,835.18 × 23,723.04
  4. Step 4: Simplify right side
    79,878.36x = 2,842,854,768.55
  5. Step 5: Solve for x
    x = 2,842,854,768.55/79,878.36
  6. Step 6: Final answer
    x = 35,589.80

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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.