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Finding the Fourth Proportional to 70,882.80, 97,800.60 and 45,702

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Solution

The fourth proportional to 70,882.80, 97,800.60 and 45,702 is: 63,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,882.80 : 97,800.60 = 45,702 : x
  2. Step 2: Convert to fraction form
    70,882.80/97,800.60 = 45,702/x
  3. Step 3: Cross multiply
    70,882.80x = 97,800.60 × 45,702
  4. Step 4: Simplify right side
    70,882.80x = 4,469,683,021.20
  5. Step 5: Solve for x
    x = 4,469,683,021.20/70,882.80
  6. Step 6: Final answer
    x = 63,057.37

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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.