Home / 125,299.72-187,945.98-46,412.20

Finding the Fourth Proportional to 125,299.72, 187,945.98 and 46,412.20

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Solution

The fourth proportional to 125,299.72, 187,945.98 and 46,412.20 is: 69,616.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,299.72 : 187,945.98 = 46,412.20 : x
  2. Step 2: Convert to fraction form
    125,299.72/187,945.98 = 46,412.20/x
  3. Step 3: Cross multiply
    125,299.72x = 187,945.98 × 46,412.20
  4. Step 4: Simplify right side
    125,299.72x = 8,722,986,412.96
  5. Step 5: Solve for x
    x = 8,722,986,412.96/125,299.72
  6. Step 6: Final answer
    x = 69,616.97

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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.