Home / 118,456.68-177,677.64-39,564.24

Finding the Fourth Proportional to 118,456.68, 177,677.64 and 39,564.24

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Solution

The fourth proportional to 118,456.68, 177,677.64 and 39,564.24 is: 59,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,456.68 : 177,677.64 = 39,564.24 : x
  2. Step 2: Convert to fraction form
    118,456.68/177,677.64 = 39,564.24/x
  3. Step 3: Cross multiply
    118,456.68x = 177,677.64 × 39,564.24
  4. Step 4: Simplify right side
    118,456.68x = 7,029,680,791.59
  5. Step 5: Solve for x
    x = 7,029,680,791.59/118,456.68
  6. Step 6: Final answer
    x = 59,343.90

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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.