Home / 70,131.32-96,777.30-39,924.02

Finding the Fourth Proportional to 70,131.32, 96,777.30 and 39,924.02

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Solution

The fourth proportional to 70,131.32, 96,777.30 and 39,924.02 is: 55,092.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,131.32 : 96,777.30 = 39,924.02 : x
  2. Step 2: Convert to fraction form
    70,131.32/96,777.30 = 39,924.02/x
  3. Step 3: Cross multiply
    70,131.32x = 96,777.30 × 39,924.02
  4. Step 4: Simplify right side
    70,131.32x = 3,863,738,860.75
  5. Step 5: Solve for x
    x = 3,863,738,860.75/70,131.32
  6. Step 6: Final answer
    x = 55,092.92

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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.