Home / 91,119.35-125,744.76-50,833.11

Finding the Fourth Proportional to 91,119.35, 125,744.76 and 50,833.11

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Solution

The fourth proportional to 91,119.35, 125,744.76 and 50,833.11 is: 70,149.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,119.35 : 125,744.76 = 50,833.11 : x
  2. Step 2: Convert to fraction form
    91,119.35/125,744.76 = 50,833.11/x
  3. Step 3: Cross multiply
    91,119.35x = 125,744.76 × 50,833.11
  4. Step 4: Simplify right side
    91,119.35x = 6,391,997,759.40
  5. Step 5: Solve for x
    x = 6,391,997,759.40/91,119.35
  6. Step 6: Final answer
    x = 70,149.73

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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.