Home / 91,214.45-125,860.94-50,921.71

Finding the Fourth Proportional to 91,214.45, 125,860.94 and 50,921.71

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Solution

The fourth proportional to 91,214.45, 125,860.94 and 50,921.71 is: 70,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,214.45 : 125,860.94 = 50,921.71 : x
  2. Step 2: Convert to fraction form
    91,214.45/125,860.94 = 50,921.71/x
  3. Step 3: Cross multiply
    91,214.45x = 125,860.94 × 50,921.71
  4. Step 4: Simplify right side
    91,214.45x = 6,409,054,616.67
  5. Step 5: Solve for x
    x = 6,409,054,616.67/91,214.45
  6. Step 6: Final answer
    x = 70,263.59

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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.