Home / 91,171.48-125,805.36-50,887.48

Finding the Fourth Proportional to 91,171.48, 125,805.36 and 50,887.48

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Solution

The fourth proportional to 91,171.48, 125,805.36 and 50,887.48 is: 70,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,171.48 : 125,805.36 = 50,887.48 : x
  2. Step 2: Convert to fraction form
    91,171.48/125,805.36 = 50,887.48/x
  3. Step 3: Cross multiply
    91,171.48x = 125,805.36 × 50,887.48
  4. Step 4: Simplify right side
    91,171.48x = 6,401,917,740.89
  5. Step 5: Solve for x
    x = 6,401,917,740.89/91,171.48
  6. Step 6: Final answer
    x = 70,218.43

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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.