Home / 51,310.68-70,796.12-31,166.37

Finding the Fourth Proportional to 51,310.68, 70,796.12 and 31,166.37

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Solution

The fourth proportional to 51,310.68, 70,796.12 and 31,166.37 is: 43,001.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,310.68 : 70,796.12 = 31,166.37 : x
  2. Step 2: Convert to fraction form
    51,310.68/70,796.12 = 31,166.37/x
  3. Step 3: Cross multiply
    51,310.68x = 70,796.12 × 31,166.37
  4. Step 4: Simplify right side
    51,310.68x = 2,206,457,914.65
  5. Step 5: Solve for x
    x = 2,206,457,914.65/51,310.68
  6. Step 6: Final answer
    x = 43,001.92

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1.5x scale

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.