Home / 118,961.76-178,405.04-40,057.52

Finding the Fourth Proportional to 118,961.76, 178,405.04 and 40,057.52

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Solution

The fourth proportional to 118,961.76, 178,405.04 and 40,057.52 is: 60,073.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,961.76 : 178,405.04 = 40,057.52 : x
  2. Step 2: Convert to fraction form
    118,961.76/178,405.04 = 40,057.52/x
  3. Step 3: Cross multiply
    118,961.76x = 178,405.04 × 40,057.52
  4. Step 4: Simplify right side
    118,961.76x = 7,146,463,457.90
  5. Step 5: Solve for x
    x = 7,146,463,457.90/118,961.76
  6. Step 6: Final answer
    x = 60,073.62

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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.