Home / 91,219.46-125,881.68-50,933.92

Finding the Fourth Proportional to 91,219.46, 125,881.68 and 50,933.92

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Solution

The fourth proportional to 91,219.46, 125,881.68 and 50,933.92 is: 70,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,219.46 : 125,881.68 = 50,933.92 : x
  2. Step 2: Convert to fraction form
    91,219.46/125,881.68 = 50,933.92/x
  3. Step 3: Cross multiply
    91,219.46x = 125,881.68 × 50,933.92
  4. Step 4: Simplify right side
    91,219.46x = 6,411,647,418.59
  5. Step 5: Solve for x
    x = 6,411,647,418.59/91,219.46
  6. Step 6: Final answer
    x = 70,288.15

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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.