Home / 76,143.56-114,007.98-59,217.80

Finding the Fourth Proportional to 76,143.56, 114,007.98 and 59,217.80

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Solution

The fourth proportional to 76,143.56, 114,007.98 and 59,217.80 is: 88,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,143.56 : 114,007.98 = 59,217.80 : x
  2. Step 2: Convert to fraction form
    76,143.56/114,007.98 = 59,217.80/x
  3. Step 3: Cross multiply
    76,143.56x = 114,007.98 × 59,217.80
  4. Step 4: Simplify right side
    76,143.56x = 6,751,301,758.04
  5. Step 5: Solve for x
    x = 6,751,301,758.04/76,143.56
  6. Step 6: Final answer
    x = 88,665.43

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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.