Home / 56,639.16-84,833.64-51,408.14

Finding the Fourth Proportional to 56,639.16, 84,833.64 and 51,408.14

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Solution

The fourth proportional to 56,639.16, 84,833.64 and 51,408.14 is: 76,998.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,639.16 : 84,833.64 = 51,408.14 : x
  2. Step 2: Convert to fraction form
    56,639.16/84,833.64 = 51,408.14/x
  3. Step 3: Cross multiply
    56,639.16x = 84,833.64 × 51,408.14
  4. Step 4: Simplify right side
    56,639.16x = 4,361,139,217.66
  5. Step 5: Solve for x
    x = 4,361,139,217.66/56,639.16
  6. Step 6: Final answer
    x = 76,998.66

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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.