Home / 91,278.89-125,960.37-50,984.63

Finding the Fourth Proportional to 91,278.89, 125,960.37 and 50,984.63

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Solution

The fourth proportional to 91,278.89, 125,960.37 and 50,984.63 is: 70,356.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,278.89 : 125,960.37 = 50,984.63 : x
  2. Step 2: Convert to fraction form
    91,278.89/125,960.37 = 50,984.63/x
  3. Step 3: Cross multiply
    91,278.89x = 125,960.37 × 50,984.63
  4. Step 4: Simplify right side
    91,278.89x = 6,422,042,859.11
  5. Step 5: Solve for x
    x = 6,422,042,859.11/91,278.89
  6. Step 6: Final answer
    x = 70,356.28

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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.