Home / 108,532.82-162,668-55,913.60

Finding the Fourth Proportional to 108,532.82, 162,668 and 55,913.60

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Solution

The fourth proportional to 108,532.82, 162,668 and 55,913.60 is: 83,802.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,532.82 : 162,668 = 55,913.60 : x
  2. Step 2: Convert to fraction form
    108,532.82/162,668 = 55,913.60/x
  3. Step 3: Cross multiply
    108,532.82x = 162,668 × 55,913.60
  4. Step 4: Simplify right side
    108,532.82x = 9,095,353,484.80
  5. Step 5: Solve for x
    x = 9,095,353,484.80/108,532.82
  6. Step 6: Final answer
    x = 83,802.79

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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.