Home / 70,211.03-96,879.89-39,996.95

Finding the Fourth Proportional to 70,211.03, 96,879.89 and 39,996.95

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Solution

The fourth proportional to 70,211.03, 96,879.89 and 39,996.95 is: 55,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,211.03 : 96,879.89 = 39,996.95 : x
  2. Step 2: Convert to fraction form
    70,211.03/96,879.89 = 39,996.95/x
  3. Step 3: Cross multiply
    70,211.03x = 96,879.89 × 39,996.95
  4. Step 4: Simplify right side
    70,211.03x = 3,874,899,731.93
  5. Step 5: Solve for x
    x = 3,874,899,731.93/70,211.03
  6. Step 6: Final answer
    x = 55,189.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.