Home / 66,548.43-99,709.90-40,197.81

Finding the Fourth Proportional to 66,548.43, 99,709.90 and 40,197.81

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Solution

The fourth proportional to 66,548.43, 99,709.90 and 40,197.81 is: 60,228.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,548.43 : 99,709.90 = 40,197.81 : x
  2. Step 2: Convert to fraction form
    66,548.43/99,709.90 = 40,197.81/x
  3. Step 3: Cross multiply
    66,548.43x = 99,709.90 × 40,197.81
  4. Step 4: Simplify right side
    66,548.43x = 4,008,119,615.32
  5. Step 5: Solve for x
    x = 4,008,119,615.32/66,548.43
  6. Step 6: Final answer
    x = 60,228.61

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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.