Home / 91,161.01-125,796.94-50,871.61

Finding the Fourth Proportional to 91,161.01, 125,796.94 and 50,871.61

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Solution

The fourth proportional to 91,161.01, 125,796.94 and 50,871.61 is: 70,199.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,161.01 : 125,796.94 = 50,871.61 : x
  2. Step 2: Convert to fraction form
    91,161.01/125,796.94 = 50,871.61/x
  3. Step 3: Cross multiply
    91,161.01x = 125,796.94 × 50,871.61
  4. Step 4: Simplify right side
    91,161.01x = 6,399,492,870.87
  5. Step 5: Solve for x
    x = 6,399,492,870.87/91,161.01
  6. Step 6: Final answer
    x = 70,199.89

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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.