Home / 66,207.10-99,313.05-19,464.70

Finding the Fourth Proportional to 66,207.10, 99,313.05 and 19,464.70

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Solution

The fourth proportional to 66,207.10, 99,313.05 and 19,464.70 is: 29,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,207.10 : 99,313.05 = 19,464.70 : x
  2. Step 2: Convert to fraction form
    66,207.10/99,313.05 = 19,464.70/x
  3. Step 3: Cross multiply
    66,207.10x = 99,313.05 × 19,464.70
  4. Step 4: Simplify right side
    66,207.10x = 1,933,098,724.34
  5. Step 5: Solve for x
    x = 1,933,098,724.34/66,207.10
  6. Step 6: Final answer
    x = 29,197.76

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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.