Home / 112,383.40-168,524.34-59,781.64

Finding the Fourth Proportional to 112,383.40, 168,524.34 and 59,781.64

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Solution

The fourth proportional to 112,383.40, 168,524.34 and 59,781.64 is: 89,645.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,383.40 : 168,524.34 = 59,781.64 : x
  2. Step 2: Convert to fraction form
    112,383.40/168,524.34 = 59,781.64/x
  3. Step 3: Cross multiply
    112,383.40x = 168,524.34 × 59,781.64
  4. Step 4: Simplify right side
    112,383.40x = 10,074,661,425.12
  5. Step 5: Solve for x
    x = 10,074,661,425.12/112,383.40
  6. Step 6: Final answer
    x = 89,645.46

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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.