Home / 124,907.80-172,358.26-73,922.75

Finding the Fourth Proportional to 124,907.80, 172,358.26 and 73,922.75

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Solution

The fourth proportional to 124,907.80, 172,358.26 and 73,922.75 is: 102,004.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,907.80 : 172,358.26 = 73,922.75 : x
  2. Step 2: Convert to fraction form
    124,907.80/172,358.26 = 73,922.75/x
  3. Step 3: Cross multiply
    124,907.80x = 172,358.26 × 73,922.75
  4. Step 4: Simplify right side
    124,907.80x = 12,741,196,564.42
  5. Step 5: Solve for x
    x = 12,741,196,564.42/124,907.80
  6. Step 6: Final answer
    x = 102,004.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.