Home / 102,404.08-141,318.28-57,084.94

Finding the Fourth Proportional to 102,404.08, 141,318.28 and 57,084.94

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Solution

The fourth proportional to 102,404.08, 141,318.28 and 57,084.94 is: 78,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,404.08 : 141,318.28 = 57,084.94 : x
  2. Step 2: Convert to fraction form
    102,404.08/141,318.28 = 57,084.94/x
  3. Step 3: Cross multiply
    102,404.08x = 141,318.28 × 57,084.94
  4. Step 4: Simplify right side
    102,404.08x = 8,067,145,534.70
  5. Step 5: Solve for x
    x = 8,067,145,534.70/102,404.08
  6. Step 6: Final answer
    x = 78,777.58

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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.