Home / 82,419.91-113,741.95-46,609.20

Finding the Fourth Proportional to 82,419.91, 113,741.95 and 46,609.20

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Solution

The fourth proportional to 82,419.91, 113,741.95 and 46,609.20 is: 64,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,419.91 : 113,741.95 = 46,609.20 : x
  2. Step 2: Convert to fraction form
    82,419.91/113,741.95 = 46,609.20/x
  3. Step 3: Cross multiply
    82,419.91x = 113,741.95 × 46,609.20
  4. Step 4: Simplify right side
    82,419.91x = 5,301,420,778.54
  5. Step 5: Solve for x
    x = 5,301,420,778.54/82,419.91
  6. Step 6: Final answer
    x = 64,322.09

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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.