Home / 91,830.94-126,719.80-50,997.36

Finding the Fourth Proportional to 91,830.94, 126,719.80 and 50,997.36

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Solution

The fourth proportional to 91,830.94, 126,719.80 and 50,997.36 is: 70,372.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,830.94 : 126,719.80 = 50,997.36 : x
  2. Step 2: Convert to fraction form
    91,830.94/126,719.80 = 50,997.36/x
  3. Step 3: Cross multiply
    91,830.94x = 126,719.80 × 50,997.36
  4. Step 4: Simplify right side
    91,830.94x = 6,462,375,259.73
  5. Step 5: Solve for x
    x = 6,462,375,259.73/91,830.94
  6. Step 6: Final answer
    x = 70,372.53

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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.