Home / 68,423.06-94,421.99-38,207.54

Finding the Fourth Proportional to 68,423.06, 94,421.99 and 38,207.54

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Solution

The fourth proportional to 68,423.06, 94,421.99 and 38,207.54 is: 52,725.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,423.06 : 94,421.99 = 38,207.54 : x
  2. Step 2: Convert to fraction form
    68,423.06/94,421.99 = 38,207.54/x
  3. Step 3: Cross multiply
    68,423.06x = 94,421.99 × 38,207.54
  4. Step 4: Simplify right side
    68,423.06x = 3,607,632,291.38
  5. Step 5: Solve for x
    x = 3,607,632,291.38/68,423.06
  6. Step 6: Final answer
    x = 52,725.38

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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.