Home / 91,096.56-125,771.74-57,151.58

Finding the Fourth Proportional to 91,096.56, 125,771.74 and 57,151.58

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Solution

The fourth proportional to 91,096.56, 125,771.74 and 57,151.58 is: 78,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,096.56 : 125,771.74 = 57,151.58 : x
  2. Step 2: Convert to fraction form
    91,096.56/125,771.74 = 57,151.58/x
  3. Step 3: Cross multiply
    91,096.56x = 125,771.74 × 57,151.58
  4. Step 4: Simplify right side
    91,096.56x = 7,188,053,660.35
  5. Step 5: Solve for x
    x = 7,188,053,660.35/91,096.56
  6. Step 6: Final answer
    x = 78,905.87

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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.