Home / 76,296.94-105,286.95-42,306.04

Finding the Fourth Proportional to 76,296.94, 105,286.95 and 42,306.04

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Solution

The fourth proportional to 76,296.94, 105,286.95 and 42,306.04 is: 58,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,296.94 : 105,286.95 = 42,306.04 : x
  2. Step 2: Convert to fraction form
    76,296.94/105,286.95 = 42,306.04/x
  3. Step 3: Cross multiply
    76,296.94x = 105,286.95 × 42,306.04
  4. Step 4: Simplify right side
    76,296.94x = 4,454,273,918.18
  5. Step 5: Solve for x
    x = 4,454,273,918.18/76,296.94
  6. Step 6: Final answer
    x = 58,380.77

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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.