Home / 68,289.45-94,239.12-39,614.91

Finding the Fourth Proportional to 68,289.45, 94,239.12 and 39,614.91

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Solution

The fourth proportional to 68,289.45, 94,239.12 and 39,614.91 is: 54,668.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,289.45 : 94,239.12 = 39,614.91 : x
  2. Step 2: Convert to fraction form
    68,289.45/94,239.12 = 39,614.91/x
  3. Step 3: Cross multiply
    68,289.45x = 94,239.12 × 39,614.91
  4. Step 4: Simplify right side
    68,289.45x = 3,733,274,257.28
  5. Step 5: Solve for x
    x = 3,733,274,257.28/68,289.45
  6. Step 6: Final answer
    x = 54,668.39

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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.