Home / 91,131.89-125,824.19-58,944.51

Finding the Fourth Proportional to 91,131.89, 125,824.19 and 58,944.51

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Solution

The fourth proportional to 91,131.89, 125,824.19 and 58,944.51 is: 81,383.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,131.89 : 125,824.19 = 58,944.51 : x
  2. Step 2: Convert to fraction form
    91,131.89/125,824.19 = 58,944.51/x
  3. Step 3: Cross multiply
    91,131.89x = 125,824.19 × 58,944.51
  4. Step 4: Simplify right side
    91,131.89x = 7,416,644,930.97
  5. Step 5: Solve for x
    x = 7,416,644,930.97/91,131.89
  6. Step 6: Final answer
    x = 81,383.64

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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.