Home / 93,517.40-140,276.10-83,408.60

Finding the Fourth Proportional to 93,517.40, 140,276.10 and 83,408.60

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Solution

The fourth proportional to 93,517.40, 140,276.10 and 83,408.60 is: 125,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,517.40 : 140,276.10 = 83,408.60 : x
  2. Step 2: Convert to fraction form
    93,517.40/140,276.10 = 83,408.60/x
  3. Step 3: Cross multiply
    93,517.40x = 140,276.10 × 83,408.60
  4. Step 4: Simplify right side
    93,517.40x = 11,700,233,114.46
  5. Step 5: Solve for x
    x = 11,700,233,114.46/93,517.40
  6. Step 6: Final answer
    x = 125,112.90

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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.