Home / 93,670.10-140,213.55-54,109.70

Finding the Fourth Proportional to 93,670.10, 140,213.55 and 54,109.70

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Solution

The fourth proportional to 93,670.10, 140,213.55 and 54,109.70 is: 80,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,670.10 : 140,213.55 = 54,109.70 : x
  2. Step 2: Convert to fraction form
    93,670.10/140,213.55 = 54,109.70/x
  3. Step 3: Cross multiply
    93,670.10x = 140,213.55 × 54,109.70
  4. Step 4: Simplify right side
    93,670.10x = 7,586,913,126.44
  5. Step 5: Solve for x
    x = 7,586,913,126.44/93,670.10
  6. Step 6: Final answer
    x = 80,996.10

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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.