Home / 76,948.62-106,233.26-58,655.72

Finding the Fourth Proportional to 76,948.62, 106,233.26 and 58,655.72

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Solution

The fourth proportional to 76,948.62, 106,233.26 and 58,655.72 is: 80,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,948.62 : 106,233.26 = 58,655.72 : x
  2. Step 2: Convert to fraction form
    76,948.62/106,233.26 = 58,655.72/x
  3. Step 3: Cross multiply
    76,948.62x = 106,233.26 × 58,655.72
  4. Step 4: Simplify right side
    76,948.62x = 6,231,188,325.55
  5. Step 5: Solve for x
    x = 6,231,188,325.55/76,948.62
  6. Step 6: Final answer
    x = 80,978.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.