Home / 93,982.02-140,636.28-81,375.27

Finding the Fourth Proportional to 93,982.02, 140,636.28 and 81,375.27

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Solution

The fourth proportional to 93,982.02, 140,636.28 and 81,375.27 is: 121,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,982.02 : 140,636.28 = 81,375.27 : x
  2. Step 2: Convert to fraction form
    93,982.02/140,636.28 = 81,375.27/x
  3. Step 3: Cross multiply
    93,982.02x = 140,636.28 × 81,375.27
  4. Step 4: Simplify right side
    93,982.02x = 11,444,315,256.80
  5. Step 5: Solve for x
    x = 11,444,315,256.80/93,982.02
  6. Step 6: Final answer
    x = 121,771.33

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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.