Home / 89,920.24-124,089.94-49,634.02

Finding the Fourth Proportional to 89,920.24, 124,089.94 and 49,634.02

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Solution

The fourth proportional to 89,920.24, 124,089.94 and 49,634.02 is: 68,494.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,920.24 : 124,089.94 = 49,634.02 : x
  2. Step 2: Convert to fraction form
    89,920.24/124,089.94 = 49,634.02/x
  3. Step 3: Cross multiply
    89,920.24x = 124,089.94 × 49,634.02
  4. Step 4: Simplify right side
    89,920.24x = 6,159,082,082.91
  5. Step 5: Solve for x
    x = 6,159,082,082.91/89,920.24
  6. Step 6: Final answer
    x = 68,494.94

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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.