Home / 114,736.80-172,121.40-35,842.80

Finding the Fourth Proportional to 114,736.80, 172,121.40 and 35,842.80

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Solution

The fourth proportional to 114,736.80, 172,121.40 and 35,842.80 is: 53,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,736.80 : 172,121.40 = 35,842.80 : x
  2. Step 2: Convert to fraction form
    114,736.80/172,121.40 = 35,842.80/x
  3. Step 3: Cross multiply
    114,736.80x = 172,121.40 × 35,842.80
  4. Step 4: Simplify right side
    114,736.80x = 6,169,312,915.92
  5. Step 5: Solve for x
    x = 6,169,312,915.92/114,736.80
  6. Step 6: Final answer
    x = 53,769.26

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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.