Home / 80,617.29-111,243.83-46,623.21

Finding the Fourth Proportional to 80,617.29, 111,243.83 and 46,623.21

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Solution

The fourth proportional to 80,617.29, 111,243.83 and 46,623.21 is: 64,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,617.29 : 111,243.83 = 46,623.21 : x
  2. Step 2: Convert to fraction form
    80,617.29/111,243.83 = 46,623.21/x
  3. Step 3: Cross multiply
    80,617.29x = 111,243.83 × 46,623.21
  4. Step 4: Simplify right side
    80,617.29x = 5,186,544,214.18
  5. Step 5: Solve for x
    x = 5,186,544,214.18/80,617.29
  6. Step 6: Final answer
    x = 64,335.38

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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.