Home / 118,541.25-177,812.04-48,420.56

Finding the Fourth Proportional to 118,541.25, 177,812.04 and 48,420.56

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Solution

The fourth proportional to 118,541.25, 177,812.04 and 48,420.56 is: 72,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,541.25 : 177,812.04 = 48,420.56 : x
  2. Step 2: Convert to fraction form
    118,541.25/177,812.04 = 48,420.56/x
  3. Step 3: Cross multiply
    118,541.25x = 177,812.04 × 48,420.56
  4. Step 4: Simplify right side
    118,541.25x = 8,609,757,662.48
  5. Step 5: Solve for x
    x = 8,609,757,662.48/118,541.25
  6. Step 6: Final answer
    x = 72,630.90

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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.