Home / 91,020.60-125,593.20-50,725.56

Finding the Fourth Proportional to 91,020.60, 125,593.20 and 50,725.56

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Solution

The fourth proportional to 91,020.60, 125,593.20 and 50,725.56 is: 69,992.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,020.60 : 125,593.20 = 50,725.56 : x
  2. Step 2: Convert to fraction form
    91,020.60/125,593.20 = 50,725.56/x
  3. Step 3: Cross multiply
    91,020.60x = 125,593.20 × 50,725.56
  4. Step 4: Simplify right side
    91,020.60x = 6,370,785,402.19
  5. Step 5: Solve for x
    x = 6,370,785,402.19/91,020.60
  6. Step 6: Final answer
    x = 69,992.79

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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.