Home / 125,087.09-187,573.83-53,976.02

Finding the Fourth Proportional to 125,087.09, 187,573.83 and 53,976.02

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Solution

The fourth proportional to 125,087.09, 187,573.83 and 53,976.02 is: 80,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,087.09 : 187,573.83 = 53,976.02 : x
  2. Step 2: Convert to fraction form
    125,087.09/187,573.83 = 53,976.02/x
  3. Step 3: Cross multiply
    125,087.09x = 187,573.83 × 53,976.02
  4. Step 4: Simplify right side
    125,087.09x = 10,124,488,714.38
  5. Step 5: Solve for x
    x = 10,124,488,714.38/125,087.09
  6. Step 6: Final answer
    x = 80,939.52

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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.