Home / 79,415.73-119,126.43-39,951.36

Finding the Fourth Proportional to 79,415.73, 119,126.43 and 39,951.36

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Solution

The fourth proportional to 79,415.73, 119,126.43 and 39,951.36 is: 59,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,415.73 : 119,126.43 = 39,951.36 : x
  2. Step 2: Convert to fraction form
    79,415.73/119,126.43 = 39,951.36/x
  3. Step 3: Cross multiply
    79,415.73x = 119,126.43 × 39,951.36
  4. Step 4: Simplify right side
    79,415.73x = 4,759,262,890.44
  5. Step 5: Solve for x
    x = 4,759,262,890.44/79,415.73
  6. Step 6: Final answer
    x = 59,928.47

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1.5x scale

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.