Home / 108,736.40-163,128.06-32,828.64

Finding the Fourth Proportional to 108,736.40, 163,128.06 and 32,828.64

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Solution

The fourth proportional to 108,736.40, 163,128.06 and 32,828.64 is: 49,250.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,736.40 : 163,128.06 = 32,828.64 : x
  2. Step 2: Convert to fraction form
    108,736.40/163,128.06 = 32,828.64/x
  3. Step 3: Cross multiply
    108,736.40x = 163,128.06 × 32,828.64
  4. Step 4: Simplify right side
    108,736.40x = 5,355,272,355.64
  5. Step 5: Solve for x
    x = 5,355,272,355.64/108,736.40
  6. Step 6: Final answer
    x = 49,250.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.