Home / 91,125.42-125,752.69-50,839.21

Finding the Fourth Proportional to 91,125.42, 125,752.69 and 50,839.21

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Solution

The fourth proportional to 91,125.42, 125,752.69 and 50,839.21 is: 70,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,125.42 : 125,752.69 = 50,839.21 : x
  2. Step 2: Convert to fraction form
    91,125.42/125,752.69 = 50,839.21/x
  3. Step 3: Cross multiply
    91,125.42x = 125,752.69 × 50,839.21
  4. Step 4: Simplify right side
    91,125.42x = 6,393,167,414.97
  5. Step 5: Solve for x
    x = 6,393,167,414.97/91,125.42
  6. Step 6: Final answer
    x = 70,157.89

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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.