Home / 50,940.07-70,308.30-38,871.91

Finding the Fourth Proportional to 50,940.07, 70,308.30 and 38,871.91

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Solution

The fourth proportional to 50,940.07, 70,308.30 and 38,871.91 is: 53,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,940.07 : 70,308.30 = 38,871.91 : x
  2. Step 2: Convert to fraction form
    50,940.07/70,308.30 = 38,871.91/x
  3. Step 3: Cross multiply
    50,940.07x = 70,308.30 × 38,871.91
  4. Step 4: Simplify right side
    50,940.07x = 2,733,017,909.85
  5. Step 5: Solve for x
    x = 2,733,017,909.85/50,940.07
  6. Step 6: Final answer
    x = 53,651.63

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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.