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Finding the Fourth Proportional to 91,252.70, 125,927.40 and 50,967.03

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Solution

The fourth proportional to 91,252.70, 125,927.40 and 50,967.03 is: 70,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,252.70 : 125,927.40 = 50,967.03 : x
  2. Step 2: Convert to fraction form
    91,252.70/125,927.40 = 50,967.03/x
  3. Step 3: Cross multiply
    91,252.70x = 125,927.40 × 50,967.03
  4. Step 4: Simplify right side
    91,252.70x = 6,418,145,573.62
  5. Step 5: Solve for x
    x = 6,418,145,573.62/91,252.70
  6. Step 6: Final answer
    x = 70,333.76

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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.