Home / 64,850.36-89,493.35-36,170.06

Finding the Fourth Proportional to 64,850.36, 89,493.35 and 36,170.06

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Solution

The fourth proportional to 64,850.36, 89,493.35 and 36,170.06 is: 49,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,850.36 : 89,493.35 = 36,170.06 : x
  2. Step 2: Convert to fraction form
    64,850.36/89,493.35 = 36,170.06/x
  3. Step 3: Cross multiply
    64,850.36x = 89,493.35 × 36,170.06
  4. Step 4: Simplify right side
    64,850.36x = 3,236,979,210.78
  5. Step 5: Solve for x
    x = 3,236,979,210.78/64,850.36
  6. Step 6: Final answer
    x = 49,914.60

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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.