Home / 89,802.42-123,932.85-49,516.05

Finding the Fourth Proportional to 89,802.42, 123,932.85 and 49,516.05

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Solution

The fourth proportional to 89,802.42, 123,932.85 and 49,516.05 is: 68,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,802.42 : 123,932.85 = 49,516.05 : x
  2. Step 2: Convert to fraction form
    89,802.42/123,932.85 = 49,516.05/x
  3. Step 3: Cross multiply
    89,802.42x = 123,932.85 × 49,516.05
  4. Step 4: Simplify right side
    89,802.42x = 6,136,665,197.24
  5. Step 5: Solve for x
    x = 6,136,665,197.24/89,802.42
  6. Step 6: Final answer
    x = 68,335.19

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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.