Home / 89,803.15-123,933.92-49,516.79

Finding the Fourth Proportional to 89,803.15, 123,933.92 and 49,516.79

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Solution

The fourth proportional to 89,803.15, 123,933.92 and 49,516.79 is: 68,336.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,803.15 : 123,933.92 = 49,516.79 : x
  2. Step 2: Convert to fraction form
    89,803.15/123,933.92 = 49,516.79/x
  3. Step 3: Cross multiply
    89,803.15x = 123,933.92 × 49,516.79
  4. Step 4: Simplify right side
    89,803.15x = 6,136,809,023.26
  5. Step 5: Solve for x
    x = 6,136,809,023.26/89,803.15
  6. Step 6: Final answer
    x = 68,336.24

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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.