Home / 99,206.06-148,814.70-31,744.02

Finding the Fourth Proportional to 99,206.06, 148,814.70 and 31,744.02

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Solution

The fourth proportional to 99,206.06, 148,814.70 and 31,744.02 is: 47,617.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,206.06 : 148,814.70 = 31,744.02 : x
  2. Step 2: Convert to fraction form
    99,206.06/148,814.70 = 31,744.02/x
  3. Step 3: Cross multiply
    99,206.06x = 148,814.70 × 31,744.02
  4. Step 4: Simplify right side
    99,206.06x = 4,723,976,813.09
  5. Step 5: Solve for x
    x = 4,723,976,813.09/99,206.06
  6. Step 6: Final answer
    x = 47,617.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.