Home / 70,119.77-96,764.04-39,904.45

Finding the Fourth Proportional to 70,119.77, 96,764.04 and 39,904.45

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Solution

The fourth proportional to 70,119.77, 96,764.04 and 39,904.45 is: 55,067.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,119.77 : 96,764.04 = 39,904.45 : x
  2. Step 2: Convert to fraction form
    70,119.77/96,764.04 = 39,904.45/x
  3. Step 3: Cross multiply
    70,119.77x = 96,764.04 × 39,904.45
  4. Step 4: Simplify right side
    70,119.77x = 3,861,315,554.07
  5. Step 5: Solve for x
    x = 3,861,315,554.07/70,119.77
  6. Step 6: Final answer
    x = 55,067.43

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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.