Home / 79,885.09-119,856.39-34,273.72

Finding the Fourth Proportional to 79,885.09, 119,856.39 and 34,273.72

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Solution

The fourth proportional to 79,885.09, 119,856.39 and 34,273.72 is: 51,422.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,885.09 : 119,856.39 = 34,273.72 : x
  2. Step 2: Convert to fraction form
    79,885.09/119,856.39 = 34,273.72/x
  3. Step 3: Cross multiply
    79,885.09x = 119,856.39 × 34,273.72
  4. Step 4: Simplify right side
    79,885.09x = 4,107,924,351.07
  5. Step 5: Solve for x
    x = 4,107,924,351.07/79,885.09
  6. Step 6: Final answer
    x = 51,422.92

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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.