Home / 82,863.24-114,351.70-45,137.48

Finding the Fourth Proportional to 82,863.24, 114,351.70 and 45,137.48

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Solution

The fourth proportional to 82,863.24, 114,351.70 and 45,137.48 is: 62,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,863.24 : 114,351.70 = 45,137.48 : x
  2. Step 2: Convert to fraction form
    82,863.24/114,351.70 = 45,137.48/x
  3. Step 3: Cross multiply
    82,863.24x = 114,351.70 × 45,137.48
  4. Step 4: Simplify right side
    82,863.24x = 5,161,547,571.72
  5. Step 5: Solve for x
    x = 5,161,547,571.72/82,863.24
  6. Step 6: Final answer
    x = 62,289.96

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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.