Home / 71,817.72-99,057.78-62,240.28

Finding the Fourth Proportional to 71,817.72, 99,057.78 and 62,240.28

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Solution

The fourth proportional to 71,817.72, 99,057.78 and 62,240.28 is: 85,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,817.72 : 99,057.78 = 62,240.28 : x
  2. Step 2: Convert to fraction form
    71,817.72/99,057.78 = 62,240.28/x
  3. Step 3: Cross multiply
    71,817.72x = 99,057.78 × 62,240.28
  4. Step 4: Simplify right side
    71,817.72x = 6,165,383,963.38
  5. Step 5: Solve for x
    x = 6,165,383,963.38/71,817.72
  6. Step 6: Final answer
    x = 85,847.67

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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.