Home / 124,928.12-187,419.54-36,185.24

Finding the Fourth Proportional to 124,928.12, 187,419.54 and 36,185.24

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Solution

The fourth proportional to 124,928.12, 187,419.54 and 36,185.24 is: 54,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,928.12 : 187,419.54 = 36,185.24 : x
  2. Step 2: Convert to fraction form
    124,928.12/187,419.54 = 36,185.24/x
  3. Step 3: Cross multiply
    124,928.12x = 187,419.54 × 36,185.24
  4. Step 4: Simplify right side
    124,928.12x = 6,781,821,035.59
  5. Step 5: Solve for x
    x = 6,781,821,035.59/124,928.12
  6. Step 6: Final answer
    x = 54,285.78

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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.