Home / 91,321.10-126,025.82-51,034.96

Finding the Fourth Proportional to 91,321.10, 126,025.82 and 51,034.96

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Solution

The fourth proportional to 91,321.10, 126,025.82 and 51,034.96 is: 70,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,321.10 : 126,025.82 = 51,034.96 : x
  2. Step 2: Convert to fraction form
    91,321.10/126,025.82 = 51,034.96/x
  3. Step 3: Cross multiply
    91,321.10x = 126,025.82 × 51,034.96
  4. Step 4: Simplify right side
    91,321.10x = 6,431,722,682.67
  5. Step 5: Solve for x
    x = 6,431,722,682.67/91,321.10
  6. Step 6: Final answer
    x = 70,429.75

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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.