Home / 79,829.38-119,679.13-29,881.50

Finding the Fourth Proportional to 79,829.38, 119,679.13 and 29,881.50

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Solution

The fourth proportional to 79,829.38, 119,679.13 and 29,881.50 is: 44,797.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,829.38 : 119,679.13 = 29,881.50 : x
  2. Step 2: Convert to fraction form
    79,829.38/119,679.13 = 29,881.50/x
  3. Step 3: Cross multiply
    79,829.38x = 119,679.13 × 29,881.50
  4. Step 4: Simplify right side
    79,829.38x = 3,576,191,923.10
  5. Step 5: Solve for x
    x = 3,576,191,923.10/79,829.38
  6. Step 6: Final answer
    x = 44,797.94

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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.