Home / 71,633.07-98,849.30-39,800.88

Finding the Fourth Proportional to 71,633.07, 98,849.30 and 39,800.88

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Solution

The fourth proportional to 71,633.07, 98,849.30 and 39,800.88 is: 54,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,633.07 : 98,849.30 = 39,800.88 : x
  2. Step 2: Convert to fraction form
    71,633.07/98,849.30 = 39,800.88/x
  3. Step 3: Cross multiply
    71,633.07x = 98,849.30 × 39,800.88
  4. Step 4: Simplify right side
    71,633.07x = 3,934,288,928.38
  5. Step 5: Solve for x
    x = 3,934,288,928.38/71,633.07
  6. Step 6: Final answer
    x = 54,922.80

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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.