Home / 91,259.45-125,936.71-50,973.78

Finding the Fourth Proportional to 91,259.45, 125,936.71 and 50,973.78

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Solution

The fourth proportional to 91,259.45, 125,936.71 and 50,973.78 is: 70,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,259.45 : 125,936.71 = 50,973.78 : x
  2. Step 2: Convert to fraction form
    91,259.45/125,936.71 = 50,973.78/x
  3. Step 3: Cross multiply
    91,259.45x = 125,936.71 × 50,973.78
  4. Step 4: Simplify right side
    91,259.45x = 6,419,470,149.46
  5. Step 5: Solve for x
    x = 6,419,470,149.46/91,259.45
  6. Step 6: Final answer
    x = 70,343.07

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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.