Home / 83,896.45-115,777.11-46,170.70

Finding the Fourth Proportional to 83,896.45, 115,777.11 and 46,170.70

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Solution

The fourth proportional to 83,896.45, 115,777.11 and 46,170.70 is: 63,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,896.45 : 115,777.11 = 46,170.70 : x
  2. Step 2: Convert to fraction form
    83,896.45/115,777.11 = 46,170.70/x
  3. Step 3: Cross multiply
    83,896.45x = 115,777.11 × 46,170.70
  4. Step 4: Simplify right side
    83,896.45x = 5,345,509,633.79
  5. Step 5: Solve for x
    x = 5,345,509,633.79/83,896.45
  6. Step 6: Final answer
    x = 63,715.57

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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.