Home / 72,175.28-108,276.60-32,735.50

Finding the Fourth Proportional to 72,175.28, 108,276.60 and 32,735.50

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Solution

The fourth proportional to 72,175.28, 108,276.60 and 32,735.50 is: 49,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,175.28 : 108,276.60 = 32,735.50 : x
  2. Step 2: Convert to fraction form
    72,175.28/108,276.60 = 32,735.50/x
  3. Step 3: Cross multiply
    72,175.28x = 108,276.60 × 32,735.50
  4. Step 4: Simplify right side
    72,175.28x = 3,544,488,639.30
  5. Step 5: Solve for x
    x = 3,544,488,639.30/72,175.28
  6. Step 6: Final answer
    x = 49,109.45

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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.