Home / 72,794.14-109,217.49-25,416.21

Finding the Fourth Proportional to 72,794.14, 109,217.49 and 25,416.21

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Solution

The fourth proportional to 72,794.14, 109,217.49 and 25,416.21 is: 38,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,794.14 : 109,217.49 = 25,416.21 : x
  2. Step 2: Convert to fraction form
    72,794.14/109,217.49 = 25,416.21/x
  3. Step 3: Cross multiply
    72,794.14x = 109,217.49 × 25,416.21
  4. Step 4: Simplify right side
    72,794.14x = 2,775,894,900.59
  5. Step 5: Solve for x
    x = 2,775,894,900.59/72,794.14
  6. Step 6: Final answer
    x = 38,133.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.