Home / 64,964.20-97,331.10-40,311.40

Finding the Fourth Proportional to 64,964.20, 97,331.10 and 40,311.40

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Solution

The fourth proportional to 64,964.20, 97,331.10 and 40,311.40 is: 60,395.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,964.20 : 97,331.10 = 40,311.40 : x
  2. Step 2: Convert to fraction form
    64,964.20/97,331.10 = 40,311.40/x
  3. Step 3: Cross multiply
    64,964.20x = 97,331.10 × 40,311.40
  4. Step 4: Simplify right side
    64,964.20x = 3,923,552,904.54
  5. Step 5: Solve for x
    x = 3,923,552,904.54/64,964.20
  6. Step 6: Final answer
    x = 60,395.62

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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.