Home / 118,472.84-177,740.38-42,579.04

Finding the Fourth Proportional to 118,472.84, 177,740.38 and 42,579.04

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Solution

The fourth proportional to 118,472.84, 177,740.38 and 42,579.04 is: 63,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,472.84 : 177,740.38 = 42,579.04 : x
  2. Step 2: Convert to fraction form
    118,472.84/177,740.38 = 42,579.04/x
  3. Step 3: Cross multiply
    118,472.84x = 177,740.38 × 42,579.04
  4. Step 4: Simplify right side
    118,472.84x = 7,568,014,749.64
  5. Step 5: Solve for x
    x = 7,568,014,749.64/118,472.84
  6. Step 6: Final answer
    x = 63,879.74

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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.