Home / 82,391.18-113,695.45-46,579.05

Finding the Fourth Proportional to 82,391.18, 113,695.45 and 46,579.05

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Solution

The fourth proportional to 82,391.18, 113,695.45 and 46,579.05 is: 64,276.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,391.18 : 113,695.45 = 46,579.05 : x
  2. Step 2: Convert to fraction form
    82,391.18/113,695.45 = 46,579.05/x
  3. Step 3: Cross multiply
    82,391.18x = 113,695.45 × 46,579.05
  4. Step 4: Simplify right side
    82,391.18x = 5,295,825,933.87
  5. Step 5: Solve for x
    x = 5,295,825,933.87/82,391.18
  6. Step 6: Final answer
    x = 64,276.62

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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.