Home / 91,475.41-126,217.94-51,181.35

Finding the Fourth Proportional to 91,475.41, 126,217.94 and 51,181.35

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Solution

The fourth proportional to 91,475.41, 126,217.94 and 51,181.35 is: 70,620.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,475.41 : 126,217.94 = 51,181.35 : x
  2. Step 2: Convert to fraction form
    91,475.41/126,217.94 = 51,181.35/x
  3. Step 3: Cross multiply
    91,475.41x = 126,217.94 × 51,181.35
  4. Step 4: Simplify right side
    91,475.41x = 6,460,004,563.42
  5. Step 5: Solve for x
    x = 6,460,004,563.42/91,475.41
  6. Step 6: Final answer
    x = 70,620.12

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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.