Home / 81,935.10-113,081.20-46,132.10

Finding the Fourth Proportional to 81,935.10, 113,081.20 and 46,132.10

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Solution

The fourth proportional to 81,935.10, 113,081.20 and 46,132.10 is: 63,668.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,935.10 : 113,081.20 = 46,132.10 : x
  2. Step 2: Convert to fraction form
    81,935.10/113,081.20 = 46,132.10/x
  3. Step 3: Cross multiply
    81,935.10x = 113,081.20 × 46,132.10
  4. Step 4: Simplify right side
    81,935.10x = 5,216,673,226.52
  5. Step 5: Solve for x
    x = 5,216,673,226.52/81,935.10
  6. Step 6: Final answer
    x = 63,668.36

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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.