Home / 125,720.09-188,586.04-41,487.61

Finding the Fourth Proportional to 125,720.09, 188,586.04 and 41,487.61

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Solution

The fourth proportional to 125,720.09, 188,586.04 and 41,487.61 is: 62,233.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,720.09 : 188,586.04 = 41,487.61 : x
  2. Step 2: Convert to fraction form
    125,720.09/188,586.04 = 41,487.61/x
  3. Step 3: Cross multiply
    125,720.09x = 188,586.04 × 41,487.61
  4. Step 4: Simplify right side
    125,720.09x = 7,823,984,078.96
  5. Step 5: Solve for x
    x = 7,823,984,078.96/125,720.09
  6. Step 6: Final answer
    x = 62,233.36

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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.