Home / 82,108.77-113,310.93-48,137.37

Finding the Fourth Proportional to 82,108.77, 113,310.93 and 48,137.37

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Solution

The fourth proportional to 82,108.77, 113,310.93 and 48,137.37 is: 66,430.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,108.77 : 113,310.93 = 48,137.37 : x
  2. Step 2: Convert to fraction form
    82,108.77/113,310.93 = 48,137.37/x
  3. Step 3: Cross multiply
    82,108.77x = 113,310.93 × 48,137.37
  4. Step 4: Simplify right side
    82,108.77x = 5,454,490,149.27
  5. Step 5: Solve for x
    x = 5,454,490,149.27/82,108.77
  6. Step 6: Final answer
    x = 66,430.05

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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.