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Finding the Fourth Proportional to 91,366.56, 126,048.48 and 55,550.88

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Solution

The fourth proportional to 91,366.56, 126,048.48 and 55,550.88 is: 76,637.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,366.56 : 126,048.48 = 55,550.88 : x
  2. Step 2: Convert to fraction form
    91,366.56/126,048.48 = 55,550.88/x
  3. Step 3: Cross multiply
    91,366.56x = 126,048.48 × 55,550.88
  4. Step 4: Simplify right side
    91,366.56x = 7,002,103,986.66
  5. Step 5: Solve for x
    x = 7,002,103,986.66/91,366.56
  6. Step 6: Final answer
    x = 76,637.49

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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.