Home / 70,396.13-105,594.33-17,087.88

Finding the Fourth Proportional to 70,396.13, 105,594.33 and 17,087.88

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Solution

The fourth proportional to 70,396.13, 105,594.33 and 17,087.88 is: 25,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,396.13 : 105,594.33 = 17,087.88 : x
  2. Step 2: Convert to fraction form
    70,396.13/105,594.33 = 17,087.88/x
  3. Step 3: Cross multiply
    70,396.13x = 105,594.33 × 17,087.88
  4. Step 4: Simplify right side
    70,396.13x = 1,804,383,239.72
  5. Step 5: Solve for x
    x = 1,804,383,239.72/70,396.13
  6. Step 6: Final answer
    x = 25,631.85

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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.