Home / 118,579.55-177,869.39-48,458.79

Finding the Fourth Proportional to 118,579.55, 177,869.39 and 48,458.79

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Solution

The fourth proportional to 118,579.55, 177,869.39 and 48,458.79 is: 72,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,579.55 : 177,869.39 = 48,458.79 : x
  2. Step 2: Convert to fraction form
    118,579.55/177,869.39 = 48,458.79/x
  3. Step 3: Cross multiply
    118,579.55x = 177,869.39 × 48,458.79
  4. Step 4: Simplify right side
    118,579.55x = 8,619,335,175.14
  5. Step 5: Solve for x
    x = 8,619,335,175.14/118,579.55
  6. Step 6: Final answer
    x = 72,688.21

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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.