Home / 82,965.24-114,492.78-45,239.64

Finding the Fourth Proportional to 82,965.24, 114,492.78 and 45,239.64

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Solution

The fourth proportional to 82,965.24, 114,492.78 and 45,239.64 is: 62,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,965.24 : 114,492.78 = 45,239.64 : x
  2. Step 2: Convert to fraction form
    82,965.24/114,492.78 = 45,239.64/x
  3. Step 3: Cross multiply
    82,965.24x = 114,492.78 × 45,239.64
  4. Step 4: Simplify right side
    82,965.24x = 5,179,612,149.80
  5. Step 5: Solve for x
    x = 5,179,612,149.80/82,965.24
  6. Step 6: Final answer
    x = 62,431.11

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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.