Home / 81,981.99-113,132.19-46,175.33

Finding the Fourth Proportional to 81,981.99, 113,132.19 and 46,175.33

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Solution

The fourth proportional to 81,981.99, 113,132.19 and 46,175.33 is: 63,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,981.99 : 113,132.19 = 46,175.33 : x
  2. Step 2: Convert to fraction form
    81,981.99/113,132.19 = 46,175.33/x
  3. Step 3: Cross multiply
    81,981.99x = 113,132.19 × 46,175.33
  4. Step 4: Simplify right side
    81,981.99x = 5,223,916,662.86
  5. Step 5: Solve for x
    x = 5,223,916,662.86/81,981.99
  6. Step 6: Final answer
    x = 63,720.30

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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.