Home / 82,974.13-114,512.93-51,142.21

Finding the Fourth Proportional to 82,974.13, 114,512.93 and 51,142.21

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Solution

The fourth proportional to 82,974.13, 114,512.93 and 51,142.21 is: 70,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,974.13 : 114,512.93 = 51,142.21 : x
  2. Step 2: Convert to fraction form
    82,974.13/114,512.93 = 51,142.21/x
  3. Step 3: Cross multiply
    82,974.13x = 114,512.93 × 51,142.21
  4. Step 4: Simplify right side
    82,974.13x = 5,856,444,313.78
  5. Step 5: Solve for x
    x = 5,856,444,313.78/82,974.13
  6. Step 6: Final answer
    x = 70,581.57

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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.