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Finding the Fourth Proportional to 91,041, 125,635.32 and 50,758.08

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Solution

The fourth proportional to 91,041, 125,635.32 and 50,758.08 is: 70,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,041 : 125,635.32 = 50,758.08 : x
  2. Step 2: Convert to fraction form
    91,041/125,635.32 = 50,758.08/x
  3. Step 3: Cross multiply
    91,041x = 125,635.32 × 50,758.08
  4. Step 4: Simplify right side
    91,041x = 6,377,007,623.39
  5. Step 5: Solve for x
    x = 6,377,007,623.39/91,041
  6. Step 6: Final answer
    x = 70,045.45

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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.