Home / 82,530.12-113,892.02-48,540.03

Finding the Fourth Proportional to 82,530.12, 113,892.02 and 48,540.03

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Solution

The fourth proportional to 82,530.12, 113,892.02 and 48,540.03 is: 66,985.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,530.12 : 113,892.02 = 48,540.03 : x
  2. Step 2: Convert to fraction form
    82,530.12/113,892.02 = 48,540.03/x
  3. Step 3: Cross multiply
    82,530.12x = 113,892.02 × 48,540.03
  4. Step 4: Simplify right side
    82,530.12x = 5,528,322,813.79
  5. Step 5: Solve for x
    x = 5,528,322,813.79/82,530.12
  6. Step 6: Final answer
    x = 66,985.52

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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.