Home / 64,974.20-97,346.10-40,321.40

Finding the Fourth Proportional to 64,974.20, 97,346.10 and 40,321.40

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Solution

The fourth proportional to 64,974.20, 97,346.10 and 40,321.40 is: 60,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,974.20 : 97,346.10 = 40,321.40 : x
  2. Step 2: Convert to fraction form
    64,974.20/97,346.10 = 40,321.40/x
  3. Step 3: Cross multiply
    64,974.20x = 97,346.10 × 40,321.40
  4. Step 4: Simplify right side
    64,974.20x = 3,925,131,036.54
  5. Step 5: Solve for x
    x = 3,925,131,036.54/64,974.20
  6. Step 6: Final answer
    x = 60,410.61

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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.