Home / 82,530.23-113,892.19-48,540.15

Finding the Fourth Proportional to 82,530.23, 113,892.19 and 48,540.15

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Solution

The fourth proportional to 82,530.23, 113,892.19 and 48,540.15 is: 66,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,530.23 : 113,892.19 = 48,540.15 : x
  2. Step 2: Convert to fraction form
    82,530.23/113,892.19 = 48,540.15/x
  3. Step 3: Cross multiply
    82,530.23x = 113,892.19 × 48,540.15
  4. Step 4: Simplify right side
    82,530.23x = 5,528,343,416.97
  5. Step 5: Solve for x
    x = 5,528,343,416.97/82,530.23
  6. Step 6: Final answer
    x = 66,985.68

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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.