Home / 111,021.36-166,534.10-36,141.25

Finding the Fourth Proportional to 111,021.36, 166,534.10 and 36,141.25

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Solution

The fourth proportional to 111,021.36, 166,534.10 and 36,141.25 is: 54,212.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,021.36 : 166,534.10 = 36,141.25 : x
  2. Step 2: Convert to fraction form
    111,021.36/166,534.10 = 36,141.25/x
  3. Step 3: Cross multiply
    111,021.36x = 166,534.10 × 36,141.25
  4. Step 4: Simplify right side
    111,021.36x = 6,018,750,541.63
  5. Step 5: Solve for x
    x = 6,018,750,541.63/111,021.36
  6. Step 6: Final answer
    x = 54,212.55

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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.