Home / 72,588.06-108,894.96-33,149.16

Finding the Fourth Proportional to 72,588.06, 108,894.96 and 33,149.16

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Solution

The fourth proportional to 72,588.06, 108,894.96 and 33,149.16 is: 49,729.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,588.06 : 108,894.96 = 33,149.16 : x
  2. Step 2: Convert to fraction form
    72,588.06/108,894.96 = 33,149.16/x
  3. Step 3: Cross multiply
    72,588.06x = 108,894.96 × 33,149.16
  4. Step 4: Simplify right side
    72,588.06x = 3,609,776,452.23
  5. Step 5: Solve for x
    x = 3,609,776,452.23/72,588.06
  6. Step 6: Final answer
    x = 49,729.62

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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.