Home / 79,771.36-110,084.91-45,777.14

Finding the Fourth Proportional to 79,771.36, 110,084.91 and 45,777.14

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Solution

The fourth proportional to 79,771.36, 110,084.91 and 45,777.14 is: 63,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,771.36 : 110,084.91 = 45,777.14 : x
  2. Step 2: Convert to fraction form
    79,771.36/110,084.91 = 45,777.14/x
  3. Step 3: Cross multiply
    79,771.36x = 110,084.91 × 45,777.14
  4. Step 4: Simplify right side
    79,771.36x = 5,039,372,336.96
  5. Step 5: Solve for x
    x = 5,039,372,336.96/79,771.36
  6. Step 6: Final answer
    x = 63,172.70

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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.