Home / 83,899.36-115,720.48-48,076.32

Finding the Fourth Proportional to 83,899.36, 115,720.48 and 48,076.32

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Solution

The fourth proportional to 83,899.36, 115,720.48 and 48,076.32 is: 66,310.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,899.36 : 115,720.48 = 48,076.32 : x
  2. Step 2: Convert to fraction form
    83,899.36/115,720.48 = 48,076.32/x
  3. Step 3: Cross multiply
    83,899.36x = 115,720.48 × 48,076.32
  4. Step 4: Simplify right side
    83,899.36x = 5,563,414,827.03
  5. Step 5: Solve for x
    x = 5,563,414,827.03/83,899.36
  6. Step 6: Final answer
    x = 66,310.58

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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.