Home / 70,135.27-96,782.04-39,923.69

Finding the Fourth Proportional to 70,135.27, 96,782.04 and 39,923.69

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Solution

The fourth proportional to 70,135.27, 96,782.04 and 39,923.69 is: 55,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,135.27 : 96,782.04 = 39,923.69 : x
  2. Step 2: Convert to fraction form
    70,135.27/96,782.04 = 39,923.69/x
  3. Step 3: Cross multiply
    70,135.27x = 96,782.04 × 39,923.69
  4. Step 4: Simplify right side
    70,135.27x = 3,863,895,678.62
  5. Step 5: Solve for x
    x = 3,863,895,678.62/70,135.27
  6. Step 6: Final answer
    x = 55,092.05

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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.