Home / 118,440.23-177,669.65-39,554.73

Finding the Fourth Proportional to 118,440.23, 177,669.65 and 39,554.73

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Solution

The fourth proportional to 118,440.23, 177,669.65 and 39,554.73 is: 59,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,440.23 : 177,669.65 = 39,554.73 : x
  2. Step 2: Convert to fraction form
    118,440.23/177,669.65 = 39,554.73/x
  3. Step 3: Cross multiply
    118,440.23x = 177,669.65 × 39,554.73
  4. Step 4: Simplify right side
    118,440.23x = 7,027,675,133.83
  5. Step 5: Solve for x
    x = 7,027,675,133.83/118,440.23
  6. Step 6: Final answer
    x = 59,335.21

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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.