Home / 95,384.75-131,666.29-81,901.85

Finding the Fourth Proportional to 95,384.75, 131,666.29 and 81,901.85

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Solution

The fourth proportional to 95,384.75, 131,666.29 and 81,901.85 is: 113,054.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,384.75 : 131,666.29 = 81,901.85 : x
  2. Step 2: Convert to fraction form
    95,384.75/131,666.29 = 81,901.85/x
  3. Step 3: Cross multiply
    95,384.75x = 131,666.29 × 81,901.85
  4. Step 4: Simplify right side
    95,384.75x = 10,783,712,733.64
  5. Step 5: Solve for x
    x = 10,783,712,733.64/95,384.75
  6. Step 6: Final answer
    x = 113,054.89

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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.