Home / 72,315.36-108,487.62-25,601.04

Finding the Fourth Proportional to 72,315.36, 108,487.62 and 25,601.04

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Solution

The fourth proportional to 72,315.36, 108,487.62 and 25,601.04 is: 38,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,315.36 : 108,487.62 = 25,601.04 : x
  2. Step 2: Convert to fraction form
    72,315.36/108,487.62 = 25,601.04/x
  3. Step 3: Cross multiply
    72,315.36x = 108,487.62 × 25,601.04
  4. Step 4: Simplify right side
    72,315.36x = 2,777,395,899.12
  5. Step 5: Solve for x
    x = 2,777,395,899.12/72,315.36
  6. Step 6: Final answer
    x = 38,406.72

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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.