Home / 84,624.49-126,803.22-31,243.06

Finding the Fourth Proportional to 84,624.49, 126,803.22 and 31,243.06

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Solution

The fourth proportional to 84,624.49, 126,803.22 and 31,243.06 is: 46,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,624.49 : 126,803.22 = 31,243.06 : x
  2. Step 2: Convert to fraction form
    84,624.49/126,803.22 = 31,243.06/x
  3. Step 3: Cross multiply
    84,624.49x = 126,803.22 × 31,243.06
  4. Step 4: Simplify right side
    84,624.49x = 3,961,720,610.65
  5. Step 5: Solve for x
    x = 3,961,720,610.65/84,624.49
  6. Step 6: Final answer
    x = 46,815.30

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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.