Home / 82,163.98-113,387.10-48,192.58

Finding the Fourth Proportional to 82,163.98, 113,387.10 and 48,192.58

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Solution

The fourth proportional to 82,163.98, 113,387.10 and 48,192.58 is: 66,506.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,163.98 : 113,387.10 = 48,192.58 : x
  2. Step 2: Convert to fraction form
    82,163.98/113,387.10 = 48,192.58/x
  3. Step 3: Cross multiply
    82,163.98x = 113,387.10 × 48,192.58
  4. Step 4: Simplify right side
    82,163.98x = 5,464,416,887.72
  5. Step 5: Solve for x
    x = 5,464,416,887.72/82,163.98
  6. Step 6: Final answer
    x = 66,506.23

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1.5x scale

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.