Home / 79,394.32-119,094-39,929.88

Finding the Fourth Proportional to 79,394.32, 119,094 and 39,929.88

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Solution

The fourth proportional to 79,394.32, 119,094 and 39,929.88 is: 59,896.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,394.32 : 119,094 = 39,929.88 : x
  2. Step 2: Convert to fraction form
    79,394.32/119,094 = 39,929.88/x
  3. Step 3: Cross multiply
    79,394.32x = 119,094 × 39,929.88
  4. Step 4: Simplify right side
    79,394.32x = 4,755,409,128.72
  5. Step 5: Solve for x
    x = 4,755,409,128.72/79,394.32
  6. Step 6: Final answer
    x = 59,896.09

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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.