Home / 101,709.07-152,563.61-39,379.57

Finding the Fourth Proportional to 101,709.07, 152,563.61 and 39,379.57

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Solution

The fourth proportional to 101,709.07, 152,563.61 and 39,379.57 is: 59,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,709.07 : 152,563.61 = 39,379.57 : x
  2. Step 2: Convert to fraction form
    101,709.07/152,563.61 = 39,379.57/x
  3. Step 3: Cross multiply
    101,709.07x = 152,563.61 × 39,379.57
  4. Step 4: Simplify right side
    101,709.07x = 6,007,889,359.45
  5. Step 5: Solve for x
    x = 6,007,889,359.45/101,709.07
  6. Step 6: Final answer
    x = 59,069.36

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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.