Home / 83,790.48-115,633.12-45,552.64

Finding the Fourth Proportional to 83,790.48, 115,633.12 and 45,552.64

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Solution

The fourth proportional to 83,790.48, 115,633.12 and 45,552.64 is: 62,863.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,790.48 : 115,633.12 = 45,552.64 : x
  2. Step 2: Convert to fraction form
    83,790.48/115,633.12 = 45,552.64/x
  3. Step 3: Cross multiply
    83,790.48x = 115,633.12 × 45,552.64
  4. Step 4: Simplify right side
    83,790.48x = 5,267,393,887.44
  5. Step 5: Solve for x
    x = 5,267,393,887.44/83,790.48
  6. Step 6: Final answer
    x = 62,863.87

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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.