Home / 79,084.96-109,144.67-47,253.17

Finding the Fourth Proportional to 79,084.96, 109,144.67 and 47,253.17

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Solution

The fourth proportional to 79,084.96, 109,144.67 and 47,253.17 is: 65,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,084.96 : 109,144.67 = 47,253.17 : x
  2. Step 2: Convert to fraction form
    79,084.96/109,144.67 = 47,253.17/x
  3. Step 3: Cross multiply
    79,084.96x = 109,144.67 × 47,253.17
  4. Step 4: Simplify right side
    79,084.96x = 5,157,431,682.70
  5. Step 5: Solve for x
    x = 5,157,431,682.70/79,084.96
  6. Step 6: Final answer
    x = 65,213.81

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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.