Home / 84,228.91-116,246.09-47,939.18

Finding the Fourth Proportional to 84,228.91, 116,246.09 and 47,939.18

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Solution

The fourth proportional to 84,228.91, 116,246.09 and 47,939.18 is: 66,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,228.91 : 116,246.09 = 47,939.18 : x
  2. Step 2: Convert to fraction form
    84,228.91/116,246.09 = 47,939.18/x
  3. Step 3: Cross multiply
    84,228.91x = 116,246.09 × 47,939.18
  4. Step 4: Simplify right side
    84,228.91x = 5,572,741,822.34
  5. Step 5: Solve for x
    x = 5,572,741,822.34/84,228.91
  6. Step 6: Final answer
    x = 66,161.87

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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.