Home / 118,660.05-177,892.51-55,448.91

Finding the Fourth Proportional to 118,660.05, 177,892.51 and 55,448.91

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Solution

The fourth proportional to 118,660.05, 177,892.51 and 55,448.91 is: 83,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,660.05 : 177,892.51 = 55,448.91 : x
  2. Step 2: Convert to fraction form
    118,660.05/177,892.51 = 55,448.91/x
  3. Step 3: Cross multiply
    118,660.05x = 177,892.51 × 55,448.91
  4. Step 4: Simplify right side
    118,660.05x = 9,863,945,776.66
  5. Step 5: Solve for x
    x = 9,863,945,776.66/118,660.05
  6. Step 6: Final answer
    x = 83,127.77

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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.