Home / 100,802.75-151,104.96-48,199.91

Finding the Fourth Proportional to 100,802.75, 151,104.96 and 48,199.91

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Solution

The fourth proportional to 100,802.75, 151,104.96 and 48,199.91 is: 72,252.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,802.75 : 151,104.96 = 48,199.91 : x
  2. Step 2: Convert to fraction form
    100,802.75/151,104.96 = 48,199.91/x
  3. Step 3: Cross multiply
    100,802.75x = 151,104.96 × 48,199.91
  4. Step 4: Simplify right side
    100,802.75x = 7,283,244,717.03
  5. Step 5: Solve for x
    x = 7,283,244,717.03/100,802.75
  6. Step 6: Final answer
    x = 72,252.44

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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.