Home / 91,321.56-126,022.50-51,035.94

Finding the Fourth Proportional to 91,321.56, 126,022.50 and 51,035.94

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Solution

The fourth proportional to 91,321.56, 126,022.50 and 51,035.94 is: 70,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,321.56 : 126,022.50 = 51,035.94 : x
  2. Step 2: Convert to fraction form
    91,321.56/126,022.50 = 51,035.94/x
  3. Step 3: Cross multiply
    91,321.56x = 126,022.50 × 51,035.94
  4. Step 4: Simplify right side
    91,321.56x = 6,431,676,748.65
  5. Step 5: Solve for x
    x = 6,431,676,748.65/91,321.56
  6. Step 6: Final answer
    x = 70,428.90

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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.