Home / 91,254.72-125,930.20-50,969.07

Finding the Fourth Proportional to 91,254.72, 125,930.20 and 50,969.07

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Solution

The fourth proportional to 91,254.72, 125,930.20 and 50,969.07 is: 70,336.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,254.72 : 125,930.20 = 50,969.07 : x
  2. Step 2: Convert to fraction form
    91,254.72/125,930.20 = 50,969.07/x
  3. Step 3: Cross multiply
    91,254.72x = 125,930.20 × 50,969.07
  4. Step 4: Simplify right side
    91,254.72x = 6,418,545,178.91
  5. Step 5: Solve for x
    x = 6,418,545,178.91/91,254.72
  6. Step 6: Final answer
    x = 70,336.58

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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.