Home / 93,669.10-140,212.05-54,108.70

Finding the Fourth Proportional to 93,669.10, 140,212.05 and 54,108.70

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Solution

The fourth proportional to 93,669.10, 140,212.05 and 54,108.70 is: 80,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,669.10 : 140,212.05 = 54,108.70 : x
  2. Step 2: Convert to fraction form
    93,669.10/140,212.05 = 54,108.70/x
  3. Step 3: Cross multiply
    93,669.10x = 140,212.05 × 54,108.70
  4. Step 4: Simplify right side
    93,669.10x = 7,586,691,749.84
  5. Step 5: Solve for x
    x = 7,586,691,749.84/93,669.10
  6. Step 6: Final answer
    x = 80,994.60

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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.