Home / 82,861.09-114,348.25-45,135.34

Finding the Fourth Proportional to 82,861.09, 114,348.25 and 45,135.34

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Solution

The fourth proportional to 82,861.09, 114,348.25 and 45,135.34 is: 62,286.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,861.09 : 114,348.25 = 45,135.34 : x
  2. Step 2: Convert to fraction form
    82,861.09/114,348.25 = 45,135.34/x
  3. Step 3: Cross multiply
    82,861.09x = 114,348.25 × 45,135.34
  4. Step 4: Simplify right side
    82,861.09x = 5,161,147,142.16
  5. Step 5: Solve for x
    x = 5,161,147,142.16/82,861.09
  6. Step 6: Final answer
    x = 62,286.74

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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.