Home / 66,157.43-99,239.39-26,709.62

Finding the Fourth Proportional to 66,157.43, 99,239.39 and 26,709.62

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Solution

The fourth proportional to 66,157.43, 99,239.39 and 26,709.62 is: 40,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,157.43 : 99,239.39 = 26,709.62 : x
  2. Step 2: Convert to fraction form
    66,157.43/99,239.39 = 26,709.62/x
  3. Step 3: Cross multiply
    66,157.43x = 99,239.39 × 26,709.62
  4. Step 4: Simplify right side
    66,157.43x = 2,650,646,395.93
  5. Step 5: Solve for x
    x = 2,650,646,395.93/66,157.43
  6. Step 6: Final answer
    x = 40,065.74

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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.