Home / 91,021.86-125,610.76-50,738.18

Finding the Fourth Proportional to 91,021.86, 125,610.76 and 50,738.18

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Solution

The fourth proportional to 91,021.86, 125,610.76 and 50,738.18 is: 70,019.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,021.86 : 125,610.76 = 50,738.18 : x
  2. Step 2: Convert to fraction form
    91,021.86/125,610.76 = 50,738.18/x
  3. Step 3: Cross multiply
    91,021.86x = 125,610.76 × 50,738.18
  4. Step 4: Simplify right side
    91,021.86x = 6,373,261,350.82
  5. Step 5: Solve for x
    x = 6,373,261,350.82/91,021.86
  6. Step 6: Final answer
    x = 70,019.02

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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.