Home / 125,007.68-187,407.84-46,107.20

Finding the Fourth Proportional to 125,007.68, 187,407.84 and 46,107.20

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Solution

The fourth proportional to 125,007.68, 187,407.84 and 46,107.20 is: 69,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,007.68 : 187,407.84 = 46,107.20 : x
  2. Step 2: Convert to fraction form
    125,007.68/187,407.84 = 46,107.20/x
  3. Step 3: Cross multiply
    125,007.68x = 187,407.84 × 46,107.20
  4. Step 4: Simplify right side
    125,007.68x = 8,640,850,760.45
  5. Step 5: Solve for x
    x = 8,640,850,760.45/125,007.68
  6. Step 6: Final answer
    x = 69,122.56

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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.