Home / 91,086.72-125,699.78-50,249.92

Finding the Fourth Proportional to 91,086.72, 125,699.78 and 50,249.92

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Solution

The fourth proportional to 91,086.72, 125,699.78 and 50,249.92 is: 69,344.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,086.72 : 125,699.78 = 50,249.92 : x
  2. Step 2: Convert to fraction form
    91,086.72/125,699.78 = 50,249.92/x
  3. Step 3: Cross multiply
    91,086.72x = 125,699.78 × 50,249.92
  4. Step 4: Simplify right side
    91,086.72x = 6,316,403,889.02
  5. Step 5: Solve for x
    x = 6,316,403,889.02/91,086.72
  6. Step 6: Final answer
    x = 69,344.95

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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.