Home / 123,827.52-170,906.88-70,112.64

Finding the Fourth Proportional to 123,827.52, 170,906.88 and 70,112.64

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Solution

The fourth proportional to 123,827.52, 170,906.88 and 70,112.64 is: 96,769.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,827.52 : 170,906.88 = 70,112.64 : x
  2. Step 2: Convert to fraction form
    123,827.52/170,906.88 = 70,112.64/x
  3. Step 3: Cross multiply
    123,827.52x = 170,906.88 × 70,112.64
  4. Step 4: Simplify right side
    123,827.52x = 11,982,732,550.96
  5. Step 5: Solve for x
    x = 11,982,732,550.96/123,827.52
  6. Step 6: Final answer
    x = 96,769.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.