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Finding the Fourth Proportional to 84,345.49, 126,520.46 and 36,936.19

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Solution

The fourth proportional to 84,345.49, 126,520.46 and 36,936.19 is: 55,405.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,345.49 : 126,520.46 = 36,936.19 : x
  2. Step 2: Convert to fraction form
    84,345.49/126,520.46 = 36,936.19/x
  3. Step 3: Cross multiply
    84,345.49x = 126,520.46 × 36,936.19
  4. Step 4: Simplify right side
    84,345.49x = 4,673,183,749.45
  5. Step 5: Solve for x
    x = 4,673,183,749.45/84,345.49
  6. Step 6: Final answer
    x = 55,405.26

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1.5x scale

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.