Home / 82,113.66-113,317.65-48,142.26

Finding the Fourth Proportional to 82,113.66, 113,317.65 and 48,142.26

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Solution

The fourth proportional to 82,113.66, 113,317.65 and 48,142.26 is: 66,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,113.66 : 113,317.65 = 48,142.26 : x
  2. Step 2: Convert to fraction form
    82,113.66/113,317.65 = 48,142.26/x
  3. Step 3: Cross multiply
    82,113.66x = 113,317.65 × 48,142.26
  4. Step 4: Simplify right side
    82,113.66x = 5,455,367,768.89
  5. Step 5: Solve for x
    x = 5,455,367,768.89/82,113.66
  6. Step 6: Final answer
    x = 66,436.79

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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.