Home / 115,265.44-172,878.72-32,140

Finding the Fourth Proportional to 115,265.44, 172,878.72 and 32,140

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Solution

The fourth proportional to 115,265.44, 172,878.72 and 32,140 is: 48,204.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,265.44 : 172,878.72 = 32,140 : x
  2. Step 2: Convert to fraction form
    115,265.44/172,878.72 = 32,140/x
  3. Step 3: Cross multiply
    115,265.44x = 172,878.72 × 32,140
  4. Step 4: Simplify right side
    115,265.44x = 5,556,322,060.80
  5. Step 5: Solve for x
    x = 5,556,322,060.80/115,265.44
  6. Step 6: Final answer
    x = 48,204.58

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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.