Home / 70,977.73-106,540.38-52,278.88

Finding the Fourth Proportional to 70,977.73, 106,540.38 and 52,278.88

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Solution

The fourth proportional to 70,977.73, 106,540.38 and 52,278.88 is: 78,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,977.73 : 106,540.38 = 52,278.88 : x
  2. Step 2: Convert to fraction form
    70,977.73/106,540.38 = 52,278.88/x
  3. Step 3: Cross multiply
    70,977.73x = 106,540.38 × 52,278.88
  4. Step 4: Simplify right side
    70,977.73x = 5,569,811,741.17
  5. Step 5: Solve for x
    x = 5,569,811,741.17/70,977.73
  6. Step 6: Final answer
    x = 78,472.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.