Home / 66,526.80-99,709.20-29,007.60

Finding the Fourth Proportional to 66,526.80, 99,709.20 and 29,007.60

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Solution

The fourth proportional to 66,526.80, 99,709.20 and 29,007.60 is: 43,476.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,526.80 : 99,709.20 = 29,007.60 : x
  2. Step 2: Convert to fraction form
    66,526.80/99,709.20 = 29,007.60/x
  3. Step 3: Cross multiply
    66,526.80x = 99,709.20 × 29,007.60
  4. Step 4: Simplify right side
    66,526.80x = 2,892,324,589.92
  5. Step 5: Solve for x
    x = 2,892,324,589.92/66,526.80
  6. Step 6: Final answer
    x = 43,476.08

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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.