Home / 83,623.36-115,401.12-45,896.80

Finding the Fourth Proportional to 83,623.36, 115,401.12 and 45,896.80

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Solution

The fourth proportional to 83,623.36, 115,401.12 and 45,896.80 is: 63,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,623.36 : 115,401.12 = 45,896.80 : x
  2. Step 2: Convert to fraction form
    83,623.36/115,401.12 = 45,896.80/x
  3. Step 3: Cross multiply
    83,623.36x = 115,401.12 × 45,896.80
  4. Step 4: Simplify right side
    83,623.36x = 5,296,542,124.42
  5. Step 5: Solve for x
    x = 5,296,542,124.42/83,623.36
  6. Step 6: Final answer
    x = 63,338.07

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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.