Home / 111,131.63-166,712.09-36,225.53

Finding the Fourth Proportional to 111,131.63, 166,712.09 and 36,225.53

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Solution

The fourth proportional to 111,131.63, 166,712.09 and 36,225.53 is: 54,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,131.63 : 166,712.09 = 36,225.53 : x
  2. Step 2: Convert to fraction form
    111,131.63/166,712.09 = 36,225.53/x
  3. Step 3: Cross multiply
    111,131.63x = 166,712.09 × 36,225.53
  4. Step 4: Simplify right side
    111,131.63x = 6,039,232,802.97
  5. Step 5: Solve for x
    x = 6,039,232,802.97/111,131.63
  6. Step 6: Final answer
    x = 54,343.06

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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.