Home / 80,933.68-111,689.76-46,945.12

Finding the Fourth Proportional to 80,933.68, 111,689.76 and 46,945.12

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Solution

The fourth proportional to 80,933.68, 111,689.76 and 46,945.12 is: 64,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,933.68 : 111,689.76 = 46,945.12 : x
  2. Step 2: Convert to fraction form
    80,933.68/111,689.76 = 46,945.12/x
  3. Step 3: Cross multiply
    80,933.68x = 111,689.76 × 46,945.12
  4. Step 4: Simplify right side
    80,933.68x = 5,243,289,185.97
  5. Step 5: Solve for x
    x = 5,243,289,185.97/80,933.68
  6. Step 6: Final answer
    x = 64,785.01

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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.