Home / 118,579.76-177,826.80-39,675.54

Finding the Fourth Proportional to 118,579.76, 177,826.80 and 39,675.54

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Solution

The fourth proportional to 118,579.76, 177,826.80 and 39,675.54 is: 59,498.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,579.76 : 177,826.80 = 39,675.54 : x
  2. Step 2: Convert to fraction form
    118,579.76/177,826.80 = 39,675.54/x
  3. Step 3: Cross multiply
    118,579.76x = 177,826.80 × 39,675.54
  4. Step 4: Simplify right side
    118,579.76x = 7,055,374,316.47
  5. Step 5: Solve for x
    x = 7,055,374,316.47/118,579.76
  6. Step 6: Final answer
    x = 59,498.98

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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.