Home / 102,404.22-141,313.32-57,087.18

Finding the Fourth Proportional to 102,404.22, 141,313.32 and 57,087.18

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Solution

The fourth proportional to 102,404.22, 141,313.32 and 57,087.18 is: 78,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,404.22 : 141,313.32 = 57,087.18 : x
  2. Step 2: Convert to fraction form
    102,404.22/141,313.32 = 57,087.18/x
  3. Step 3: Cross multiply
    102,404.22x = 141,313.32 × 57,087.18
  4. Step 4: Simplify right side
    102,404.22x = 8,067,178,935.24
  5. Step 5: Solve for x
    x = 8,067,178,935.24/102,404.22
  6. Step 6: Final answer
    x = 78,777.80

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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.