Home / 118,019.23-177,102.66-47,898.54

Finding the Fourth Proportional to 118,019.23, 177,102.66 and 47,898.54

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Solution

The fourth proportional to 118,019.23, 177,102.66 and 47,898.54 is: 71,877.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,019.23 : 177,102.66 = 47,898.54 : x
  2. Step 2: Convert to fraction form
    118,019.23/177,102.66 = 47,898.54/x
  3. Step 3: Cross multiply
    118,019.23x = 177,102.66 × 47,898.54
  4. Step 4: Simplify right side
    118,019.23x = 8,482,959,508.25
  5. Step 5: Solve for x
    x = 8,482,959,508.25/118,019.23
  6. Step 6: Final answer
    x = 71,877.77

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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.