Home / 71,970.24-107,970.72-25,225.92

Finding the Fourth Proportional to 71,970.24, 107,970.72 and 25,225.92

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Solution

The fourth proportional to 71,970.24, 107,970.72 and 25,225.92 is: 37,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,970.24 : 107,970.72 = 25,225.92 : x
  2. Step 2: Convert to fraction form
    71,970.24/107,970.72 = 25,225.92/x
  3. Step 3: Cross multiply
    71,970.24x = 107,970.72 × 25,225.92
  4. Step 4: Simplify right side
    71,970.24x = 2,723,660,745.06
  5. Step 5: Solve for x
    x = 2,723,660,745.06/71,970.24
  6. Step 6: Final answer
    x = 37,844.26

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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.