Home / 68,849.40-95,004.36-38,628.42

Finding the Fourth Proportional to 68,849.40, 95,004.36 and 38,628.42

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Solution

The fourth proportional to 68,849.40, 95,004.36 and 38,628.42 is: 53,302.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,849.40 : 95,004.36 = 38,628.42 : x
  2. Step 2: Convert to fraction form
    68,849.40/95,004.36 = 38,628.42/x
  3. Step 3: Cross multiply
    68,849.40x = 95,004.36 × 38,628.42
  4. Step 4: Simplify right side
    68,849.40x = 3,669,868,319.91
  5. Step 5: Solve for x
    x = 3,669,868,319.91/68,849.40
  6. Step 6: Final answer
    x = 53,302.84

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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.