Home / 91,278.26-125,962.61-50,992.60

Finding the Fourth Proportional to 91,278.26, 125,962.61 and 50,992.60

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Solution

The fourth proportional to 91,278.26, 125,962.61 and 50,992.60 is: 70,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,278.26 : 125,962.61 = 50,992.60 : x
  2. Step 2: Convert to fraction form
    91,278.26/125,962.61 = 50,992.60/x
  3. Step 3: Cross multiply
    91,278.26x = 125,962.61 × 50,992.60
  4. Step 4: Simplify right side
    91,278.26x = 6,423,160,986.69
  5. Step 5: Solve for x
    x = 6,423,160,986.69/91,278.26
  6. Step 6: Final answer
    x = 70,369.01

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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.