Home / 49,119.72-67,780.26-27,894.84

Finding the Fourth Proportional to 49,119.72, 67,780.26 and 27,894.84

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Solution

The fourth proportional to 49,119.72, 67,780.26 and 27,894.84 is: 38,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,119.72 : 67,780.26 = 27,894.84 : x
  2. Step 2: Convert to fraction form
    49,119.72/67,780.26 = 27,894.84/x
  3. Step 3: Cross multiply
    49,119.72x = 67,780.26 × 27,894.84
  4. Step 4: Simplify right side
    49,119.72x = 1,890,719,507.86
  5. Step 5: Solve for x
    x = 1,890,719,507.86/49,119.72
  6. Step 6: Final answer
    x = 38,492.07

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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.