Home / 71,450.22-107,150.69-29,318.34

Finding the Fourth Proportional to 71,450.22, 107,150.69 and 29,318.34

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Solution

The fourth proportional to 71,450.22, 107,150.69 and 29,318.34 is: 43,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,450.22 : 107,150.69 = 29,318.34 : x
  2. Step 2: Convert to fraction form
    71,450.22/107,150.69 = 29,318.34/x
  3. Step 3: Cross multiply
    71,450.22x = 107,150.69 × 29,318.34
  4. Step 4: Simplify right side
    71,450.22x = 3,141,480,360.65
  5. Step 5: Solve for x
    x = 3,141,480,360.65/71,450.22
  6. Step 6: Final answer
    x = 43,967.40

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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.