Home / 84,321.28-116,364-46,601.92

Finding the Fourth Proportional to 84,321.28, 116,364 and 46,601.92

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Solution

The fourth proportional to 84,321.28, 116,364 and 46,601.92 is: 64,311.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,321.28 : 116,364 = 46,601.92 : x
  2. Step 2: Convert to fraction form
    84,321.28/116,364 = 46,601.92/x
  3. Step 3: Cross multiply
    84,321.28x = 116,364 × 46,601.92
  4. Step 4: Simplify right side
    84,321.28x = 5,422,785,818.88
  5. Step 5: Solve for x
    x = 5,422,785,818.88/84,321.28
  6. Step 6: Final answer
    x = 64,311.00

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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.