Home / 72,379.53-108,564.07-22,458.36

Finding the Fourth Proportional to 72,379.53, 108,564.07 and 22,458.36

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Solution

The fourth proportional to 72,379.53, 108,564.07 and 22,458.36 is: 33,685.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,379.53 : 108,564.07 = 22,458.36 : x
  2. Step 2: Convert to fraction form
    72,379.53/108,564.07 = 22,458.36/x
  3. Step 3: Cross multiply
    72,379.53x = 108,564.07 × 22,458.36
  4. Step 4: Simplify right side
    72,379.53x = 2,438,170,967.13
  5. Step 5: Solve for x
    x = 2,438,170,967.13/72,379.53
  6. Step 6: Final answer
    x = 33,685.92

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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.