Home / 113,626.64-156,810.12-63,326

Finding the Fourth Proportional to 113,626.64, 156,810.12 and 63,326

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Solution

The fourth proportional to 113,626.64, 156,810.12 and 63,326 is: 87,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,626.64 : 156,810.12 = 63,326 : x
  2. Step 2: Convert to fraction form
    113,626.64/156,810.12 = 63,326/x
  3. Step 3: Cross multiply
    113,626.64x = 156,810.12 × 63,326
  4. Step 4: Simplify right side
    113,626.64x = 9,930,157,659.12
  5. Step 5: Solve for x
    x = 9,930,157,659.12/113,626.64
  6. Step 6: Final answer
    x = 87,392.87

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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.