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Finding the Fourth Proportional to 82,846.67, 114,329.67 and 45,120.92

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Solution

The fourth proportional to 82,846.67, 114,329.67 and 45,120.92 is: 62,267.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,846.67 : 114,329.67 = 45,120.92 : x
  2. Step 2: Convert to fraction form
    82,846.67/114,329.67 = 45,120.92/x
  3. Step 3: Cross multiply
    82,846.67x = 114,329.67 × 45,120.92
  4. Step 4: Simplify right side
    82,846.67x = 5,158,659,893.70
  5. Step 5: Solve for x
    x = 5,158,659,893.70/82,846.67
  6. Step 6: Final answer
    x = 62,267.56

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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.