Home / 91,257.39-125,926.99-50,965.56

Finding the Fourth Proportional to 91,257.39, 125,926.99 and 50,965.56

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Solution

The fourth proportional to 91,257.39, 125,926.99 and 50,965.56 is: 70,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,257.39 : 125,926.99 = 50,965.56 : x
  2. Step 2: Convert to fraction form
    91,257.39/125,926.99 = 50,965.56/x
  3. Step 3: Cross multiply
    91,257.39x = 125,926.99 × 50,965.56
  4. Step 4: Simplify right side
    91,257.39x = 6,417,939,437.05
  5. Step 5: Solve for x
    x = 6,417,939,437.05/91,257.39
  6. Step 6: Final answer
    x = 70,327.89

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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.