Home / 122,947.52-184,405.13-38,708.12

Finding the Fourth Proportional to 122,947.52, 184,405.13 and 38,708.12

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Solution

The fourth proportional to 122,947.52, 184,405.13 and 38,708.12 is: 58,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,947.52 : 184,405.13 = 38,708.12 : x
  2. Step 2: Convert to fraction form
    122,947.52/184,405.13 = 38,708.12/x
  3. Step 3: Cross multiply
    122,947.52x = 184,405.13 × 38,708.12
  4. Step 4: Simplify right side
    122,947.52x = 7,137,975,707.12
  5. Step 5: Solve for x
    x = 7,137,975,707.12/122,947.52
  6. Step 6: Final answer
    x = 58,057.09

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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.