Home / 91,503.11-126,274.73-51,217.67

Finding the Fourth Proportional to 91,503.11, 126,274.73 and 51,217.67

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Solution

The fourth proportional to 91,503.11, 126,274.73 and 51,217.67 is: 70,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,503.11 : 126,274.73 = 51,217.67 : x
  2. Step 2: Convert to fraction form
    91,503.11/126,274.73 = 51,217.67/x
  3. Step 3: Cross multiply
    91,503.11x = 126,274.73 × 51,217.67
  4. Step 4: Simplify right side
    91,503.11x = 6,467,496,563.02
  5. Step 5: Solve for x
    x = 6,467,496,563.02/91,503.11
  6. Step 6: Final answer
    x = 70,680.62

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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.