Home / 89,125.04-122,992.52-49,381.04

Finding the Fourth Proportional to 89,125.04, 122,992.52 and 49,381.04

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Solution

The fourth proportional to 89,125.04, 122,992.52 and 49,381.04 is: 68,145.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,125.04 : 122,992.52 = 49,381.04 : x
  2. Step 2: Convert to fraction form
    89,125.04/122,992.52 = 49,381.04/x
  3. Step 3: Cross multiply
    89,125.04x = 122,992.52 × 49,381.04
  4. Step 4: Simplify right side
    89,125.04x = 6,073,498,549.82
  5. Step 5: Solve for x
    x = 6,073,498,549.82/89,125.04
  6. Step 6: Final answer
    x = 68,145.82

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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.