Home / 83,342.20-115,015.16-45,616.48

Finding the Fourth Proportional to 83,342.20, 115,015.16 and 45,616.48

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Solution

The fourth proportional to 83,342.20, 115,015.16 and 45,616.48 is: 62,952.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,342.20 : 115,015.16 = 45,616.48 : x
  2. Step 2: Convert to fraction form
    83,342.20/115,015.16 = 45,616.48/x
  3. Step 3: Cross multiply
    83,342.20x = 115,015.16 × 45,616.48
  4. Step 4: Simplify right side
    83,342.20x = 5,246,586,745.84
  5. Step 5: Solve for x
    x = 5,246,586,745.84/83,342.20
  6. Step 6: Final answer
    x = 62,952.34

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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.